--- /dev/null
+ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+ <html xmlns="http://www.w3.org/1999/xhtml">
+<!--
+This file was generated by Devel::NYTProf version 4.06
+-->
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <meta http-equiv="Content-Language" content="en-us" />
+ <title>Profile of Module/Implementation.pm</title>
+<link rel="stylesheet" type="text/css" href="style.css" />
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+ <script type="text/javascript">
+ // when a column is first clicked on to sort it, use descending order
+ // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken)
+ $.tablesorter.defaults.sortInitialOrder = "desc";
+ // add parser through the tablesorter addParser method
+ $.tablesorter.addParser({
+ id: 'fmt_time', // name of this parser
+ is: function(s) {
+ return false; // return false so this parser is not auto detected
+ },
+ format: function(orig) { // format data for normalization
+ // console.log(orig);
+ val = orig.replace(/ns/,'');
+ if (val != orig) { return val / (1000*1000*1000); }
+ val = orig.replace(/µs/,''); /* XXX use µ ? */
+ if (val != orig) { return val / (1000*1000); }
+ var val = orig.replace(/ms/,'');
+ if (val != orig) { return val / (1000); }
+ var val = orig.replace(/s/,'');
+ if (val != orig) { return val; }
+ if (orig == '0') { return orig; }
+ console.log('no match for fmt_time of '.concat(orig));
+ return orig;
+ },
+ type: 'numeric' // set type, either numeric or text
+ });
+ </script>
+</head>
+
+<body >
+<div class="header" style="position: relative; overflow-x: hidden; overflow-y: hidden; z-index: 0; ">
+<div class="header_back">
+ <a href="index.html">← Index</a>
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+<div class="headerForeground" style="float: left">
+ <span class="siteTitle">NYTProf Performance Profile</span>
+ <span class="siteSubtitle">  <span>« <span class="mode_btn"><a href="Module-Implementation-pm-74-block.html">block view</a></span> • <span class="mode_btn"><a href="Module-Implementation-pm-74-line.html">line view</a></span> • <span class="mode_btn mode_btn_selected">sub view</span> »</span><br />
+ For script/nytprof.pl
+ </span>
+</div>
+<div class="headerForeground" style="float: right; text-align: right">
+ <span class="siteTitle"> </span>
+ <span class="siteSubtitle">Run on Thu May 31 16:29:39 2012<br />Reported on Thu May 31 16:34:57 2012</span>
+</div>
+<div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div>
+<div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div>
+<div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div>
+<div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div>
+<div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div>
+<div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div>
+<div style="position: absolute; left: 0px; top: 12%; width: 100%; height: 89%; z-index: -1; background-color: rgb(14, 127, 246); "></div>
+<div style="position: absolute; left: 0px; top: 14%; width: 100%; height: 87%; z-index: -1; background-color: rgb(14, 126, 245); "></div>
+<div style="position: absolute; left: 0px; top: 16%; width: 100%; height: 85%; z-index: -1; background-color: rgb(14, 125, 244); "></div>
+<div style="position: absolute; left: 0px; top: 18%; width: 100%; height: 83%; z-index: -1; background-color: rgb(13, 123, 242); "></div>
+<div style="position: absolute; left: 0px; top: 20%; width: 100%; height: 81%; z-index: -1; background-color: rgb(13, 122, 241); "></div>
+<div style="position: absolute; left: 0px; top: 22%; width: 100%; height: 79%; z-index: -1; background-color: rgb(13, 121, 240); "></div>
+<div style="position: absolute; left: 0px; top: 24%; width: 100%; height: 77%; z-index: -1; background-color: rgb(12, 119, 238); "></div>
+<div style="position: absolute; left: 0px; top: 26%; width: 100%; height: 75%; z-index: -1; background-color: rgb(12, 118, 237); "></div>
+<div style="position: absolute; left: 0px; top: 28%; width: 100%; height: 73%; z-index: -1; background-color: rgb(12, 116, 235); "></div>
+<div style="position: absolute; left: 0px; top: 30%; width: 100%; height: 71%; z-index: -1; background-color: rgb(11, 115, 234); "></div>
+<div style="position: absolute; left: 0px; top: 32%; width: 100%; height: 69%; z-index: -1; background-color: rgb(11, 114, 233); "></div>
+<div style="position: absolute; left: 0px; top: 34%; width: 100%; height: 67%; z-index: -1; background-color: rgb(11, 112, 231); "></div>
+<div style="position: absolute; left: 0px; top: 36%; width: 100%; height: 65%; z-index: -1; background-color: rgb(10, 111, 230); "></div>
+<div style="position: absolute; left: 0px; top: 38%; width: 100%; height: 63%; z-index: -1; background-color: rgb(10, 110, 229); "></div>
+<div style="position: absolute; left: 0px; top: 40%; width: 100%; height: 61%; z-index: -1; background-color: rgb(10, 108, 227); "></div>
+<div style="position: absolute; left: 0px; top: 42%; width: 100%; height: 59%; z-index: -1; background-color: rgb(9, 107, 226); "></div>
+<div style="position: absolute; left: 0px; top: 44%; width: 100%; height: 57%; z-index: -1; background-color: rgb(9, 106, 225); "></div>
+<div style="position: absolute; left: 0px; top: 46%; width: 100%; height: 55%; z-index: -1; background-color: rgb(9, 104, 223); "></div>
+<div style="position: absolute; left: 0px; top: 48%; width: 100%; height: 53%; z-index: -1; background-color: rgb(8, 103, 222); "></div>
+<div style="position: absolute; left: 0px; top: 50%; width: 100%; height: 51%; z-index: -1; background-color: rgb(8, 102, 221); "></div>
+<div style="position: absolute; left: 0px; top: 52%; width: 100%; height: 49%; z-index: -1; background-color: rgb(8, 100, 219); "></div>
+<div style="position: absolute; left: 0px; top: 54%; width: 100%; height: 47%; z-index: -1; background-color: rgb(7, 99, 218); "></div>
+<div style="position: absolute; left: 0px; top: 56%; width: 100%; height: 45%; z-index: -1; background-color: rgb(7, 97, 216); "></div>
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+<div style="position: absolute; left: 0px; top: 66%; width: 100%; height: 35%; z-index: -1; background-color: rgb(5, 91, 210); "></div>
+<div style="position: absolute; left: 0px; top: 68%; width: 100%; height: 33%; z-index: -1; background-color: rgb(5, 89, 208); "></div>
+<div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div>
+<div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div>
+<div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div>
+<div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div>
+<div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div>
+<div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div>
+<div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div>
+<div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div>
+<div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div>
+<div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div>
+<div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div>
+<div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div>
+<div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div>
+<div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div>
+<div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div>
+<div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div>
+</div>
+
+<div class="body_content"><br />
+<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/Module/Implementation.pm">/Users/edenc/perl5/lib/perl5/Module/Implementation.pm</a></td></tr>
+<tr><td class="h">Statements</td><td align="left">Executed 53 statements in 1.11ms</td></tr></table>
+
+ <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
+ <caption>Subroutines</caption>
+ <thead>
+ <tr>
+ <th>Calls</th>
+ <th><span title="Number of Places sub is called from">P</span></th>
+ <th><span title="Number of Files sub is called from">F</span></th>
+ <th>Exclusive<br />Time</th>
+ <th>Inclusive<br />Time</th>
+ <th>Subroutine</th>
+ </tr>
+ </thead>
+ <tbody>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">1.30ms</span></td><td class="c0"><span title="0.0%">1.43ms</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@9</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#9">BEGIN@9</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">556µs</span></td><td class="c0"><span title="0.0%">726µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@10</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#10">BEGIN@10</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c1"><span title="0.0%">18µs</span></td><td class="c0"><span title="0.0%">638µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::_load_implementation</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#53">_load_implementation</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">17µs</span></td><td class="c3"><span title="0.0%">21µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::_build_loader</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#20">_build_loader</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">15µs</span></td><td class="c3"><span title="0.0%">18µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@6</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#6">BEGIN@6</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">14µs</span></td><td class="c3"><span title="0.0%">16µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::_copy_symbols</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#101">_copy_symbols</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">13µs</span></td><td class="c0"><span title="0.0%">667µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::__ANON__[:44]</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#32">__ANON__[:44]</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">13µs</span></td><td class="c3"><span title="0.0%">27µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@113</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#113">BEGIN@113</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">9µs</span></td><td class="c3"><span title="0.0%">23µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@114</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#114">BEGIN@114</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">8µs</span></td><td class="c3"><span title="0.0%">14µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::BEGIN@7</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#7">BEGIN@7</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">7µs</span></td><td class="c0"><span title="0.0%">590µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::__ANON__[:87]</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#84">__ANON__[:87]</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6µs</span></td><td class="c3"><span title="0.0%">27µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::build_loader_sub</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#14">build_loader_sub</a></span></td></tr>
+<tr><td class="c1">2</td><td class="c1">2</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">5µs</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::CORE:subst</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#Module__Implementation__CORE_subst">CORE:subst</a> (opcode)</span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::__ANON__[:70]</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#68">__ANON__[:70]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::__ANON__[:74]</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#71">__ANON__[:74]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::__ANON__[:90]</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#88">__ANON__[:90]</a></span></td></tr>
+<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Implementation::::implementation_for</span>Module::Implementation::<a href="Module-Implementation-pm-74-sub.html#47">implementation_for</a></span></td></tr>
+</tbody></table>
+ Call graph for these subroutines as a
+ <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
+ <a href="Users-edenc-perl5-lib-perl5-Module-Implementation-pm.dot">dot language file</a>.
+
+ <table border="1" cellpadding="0">
+ <thead>
+ <tr><th>Line</th>
+ <th><span title="Number of statements executed">State<br />ments</span></th>
+ <th><span title="Time spend executing statements on the line,
+ excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
+ <th><span title="Number of subroutines calls">Calls</span></th>
+ <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
+ <th class="left_indent_header">Code</th>
+ </tr>
+
+ </thead>
+ <tbody>
+ <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package Module::Implementation;</td></tr>
+<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s">{</td></tr>
+<tr><td class="h"><a name="3"></a>3</td><td class="c3">2</td><td class="c3"><span title="Avg 600ns">1µs</span></td><td></td><td></td><td class="s"> $Module::Implementation::VERSION = '0.06';</td></tr>
+<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="6"></a>6</td><td class="c3">2</td><td class="c2"><span title="Avg 12µs">24µs</span></td><td class="c3">2</td><td class="c3">22µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 18µs (15+4) within Module::Implementation::BEGIN@6 which was called:
+# once (15µs+4µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#6">line 6</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 18µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#6">Module::Implementation::BEGIN@6</a>
+# spent 4µs making 1 call to <a href="strict-pm-3-sub.html#34">strict::import</a></div></div></td></tr>
+<tr><td class="h"><a name="7"></a>7</td><td class="c3">2</td><td class="c1"><span title="Avg 15µs">31µs</span></td><td class="c3">2</td><td class="c3">19µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 14µs (8+6) within Module::Implementation::BEGIN@7 which was called:
+# once (8µs+6µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#7">line 7</a></div></div>use warnings;<div class="calls"><div class="calls_out"># spent 14µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#7">Module::Implementation::BEGIN@7</a>
+# spent 6µs making 1 call to <a href="warnings-pm-2-sub.html#386">warnings::import</a></div></div></td></tr>
+<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="9"></a>9</td><td class="c1">3</td><td class="c0"><span title="Avg 55µs">166µs</span></td><td class="c1">3</td><td class="c0">1.46ms</td><td class="s"><div class="calls"><div class="calls_in"># spent 1.43ms (1.30+130µs) within Module::Implementation::BEGIN@9 which was called:
+# once (1.30ms+130µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#9">line 9</a></div></div>use Module::Runtime 0.012 qw( require_module );<div class="calls"><div class="calls_out"># spent 1.43ms making 1 call to <a href="Module-Implementation-pm-74-sub.html#9">Module::Implementation::BEGIN@9</a>
+# spent 16µs making 1 call to <a href="Module-Runtime-pm-75-sub.html#135">Module::Runtime::import</a>
+# spent 13µs making 1 call to <a href="UNIVERSAL-pm-738-sub.html#UNIVERSAL__VERSION">UNIVERSAL::VERSION</a></div></div></td></tr>
+<tr><td class="h"><a name="10"></a>10</td><td class="c3">2</td><td class="c0"><span title="Avg 312µs">623µs</span></td><td class="c3">2</td><td class="c0">758µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 726µs (556+169) within Module::Implementation::BEGIN@10 which was called:
+# once (556µs+169µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#10">line 10</a></div></div>use Try::Tiny;<div class="calls"><div class="calls_out"># spent 726µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#10">Module::Implementation::BEGIN@10</a>
+# spent 32µs making 1 call to <a href="Exporter-pm-8-sub.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="12"></a>12</td><td class="c3">1</td><td class="c3"><span title="Avg 200ns">200ns</span></td><td></td><td></td><td class="s">my %Implementation;</td></tr>
+<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 27µs (6+21) within Module::Implementation::build_loader_sub which was called:
+# once (6µs+21µs) by Moose::BEGIN@15 at <a href="Class-Load-pm-67-sub.html#19">line 19 of Class/Load.pm</a></div></div>sub build_loader_sub {</td></tr>
+<tr><td class="h"><a name="15"></a>15</td><td class="c3">2</td><td class="c3"><span title="Avg 3µs">6µs</span></td><td></td><td></td><td class="s"> my $caller = caller();</td></tr>
+<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td class="c3">1</td><td class="c3">21µs</td><td class="s"> return _build_loader( $caller, @_ );<div class="calls"><div class="calls_out"> # spent 21µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#20">Module::Implementation::_build_loader</a></div></div></td></tr>
+<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 21µs (17+4) within Module::Implementation::_build_loader which was called:
+# once (17µs+4µs) by Module::Implementation::build_loader_sub at <a href="Module-Implementation-pm-74-sub.html#17">line 17</a></div></div>sub _build_loader {</td></tr>
+<tr><td class="h"><a name="21"></a>21</td><td class="c0">9</td><td class="c3"><span title="Avg 2µs">22µs</span></td><td></td><td></td><td class="s"> my $package = shift;</td></tr>
+<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"> my %args = @_;</td></tr>
+<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"> my @implementations = @{ $args{implementations} };</td></tr>
+<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"> my @symbols = @{ $args{symbols} || [] };</td></tr>
+<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"> my $implementation;</td></tr>
+<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> my $env_var = uc $package;</td></tr>
+<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td class="c3">1</td><td class="c3">4µs</td><td class="s"> $env_var =~ s/::/_/g;<div class="calls"><div class="calls_out"> # spent 4µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#Module__Implementation__CORE_subst">Module::Implementation::CORE:subst</a></div></div></td></tr>
+<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> $env_var .= '_IMPLEMENTATION';</td></tr>
+<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 667µs (13+654) within Module::Implementation::__ANON__[/Users/edenc/perl5/lib/perl5/Module/Implementation.pm:44] which was called:
+# once (13µs+654µs) by Moose::BEGIN@15 at <a href="Class-Load-pm-67-sub.html#24">line 24 of Class/Load.pm</a></div></div> return sub {</td></tr>
+<tr><td class="h"><a name="33"></a>33</td><td class="c0">4</td><td class="c3"><span title="Avg 3µs">11µs</span></td><td class="c3">1</td><td class="c0">638µs</td><td class="s"> my ( $implementation, $loaded ) = _load_implementation(<div class="calls"><div class="calls_out"> # spent 638µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#53">Module::Implementation::_load_implementation</a></div></div></td></tr>
+<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"> $package,</td></tr>
+<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"> $ENV{$env_var},</td></tr>
+<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"> \@implementations,</td></tr>
+<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"> $Implementation{$package} = $implementation;</td></tr>
+<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td class="c3">1</td><td class="c3">16µs</td><td class="s"> _copy_symbols( $loaded, $package, \@symbols );<div class="calls"><div class="calls_out"> # spent 16µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#101">Module::Implementation::_copy_symbols</a></div></div></td></tr>
+<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s"> return $loaded;</td></tr>
+<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s">sub implementation_for {</td></tr>
+<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s"> my $package = shift;</td></tr>
+<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"> return $Implementation{$package};</td></tr>
+<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 638µs (18+620) within Module::Implementation::_load_implementation which was called:
+# once (18µs+620µs) by Module::Implementation::__ANON__[/Users/edenc/perl5/lib/perl5/Module/Implementation.pm:44] at <a href="Module-Implementation-pm-74-sub.html#33">line 33</a></div></div>sub _load_implementation {</td></tr>
+<tr><td class="h"><a name="54"></a>54</td><td class="c0">10</td><td class="c3"><span title="Avg 2µs">15µs</span></td><td></td><td></td><td class="s"> my $package = shift;</td></tr>
+<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s"> my $env_value = shift;</td></tr>
+<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"> my $implementations = shift;</td></tr>
+<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"> if ($env_value) {</td></tr>
+<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s"> die "$env_value is not a valid implementation for $package"</td></tr>
+<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s"> unless grep { $_ eq $env_value } @{$implementations};</td></tr>
+<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s"> my $loaded = "${package}::$env_value";</td></tr>
+<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s"> # Values from the %ENV hash are tainted. We know it's safe to untaint</td></tr>
+<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"> # this value because the value was one of our known implementations.</td></tr>
+<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s"> ($loaded) = $loaded =~ /^(.+)$/;</td></tr>
+<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s"> try {</td></tr>
+<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s"> require_module($loaded);</td></tr>
+<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s"> catch {</td></tr>
+<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s"> require Carp;</td></tr>
+<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak("Could not load $loaded: $_");</td></tr>
+<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s"> return ( $env_value, $loaded );</td></tr>
+<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"> my $err;</td></tr>
+<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"> for my $possible ( @{$implementations} ) {</td></tr>
+<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"> my $load = "${package}::$possible";</td></tr>
+<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s"> my $ok;</td></tr>
+<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 590µs (7+583) within Module::Implementation::__ANON__[/Users/edenc/perl5/lib/perl5/Module/Implementation.pm:87] which was called:
+# once (7µs+583µs) by Try::Tiny::try at <a href="Try-Tiny-pm-76-sub.html#76">line 76 of Try/Tiny.pm</a></div></div> try {</td></tr>
+<tr><td class="h"><a name="85"></a>85</td><td class="c3">2</td><td class="c3"><span title="Avg 3µs">6µs</span></td><td class="c3">1</td><td class="c0">583µs</td><td class="s"> require_module($load);<div class="calls"><div class="calls_out"> # spent 583µs making 1 call to <a href="Module-Runtime-pm-75-sub.html#303">Module::Runtime::require_module</a></div></div></td></tr>
+<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s"> $ok = 1;</td></tr>
+<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"> catch {</td></tr>
+<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s"> $err .= $_;</td></tr>
+<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td class="c3">2</td><td class="c0">620µs</td><td class="s"> };<div class="calls"><div class="calls_out"> # spent 607µs making 1 call to <a href="Try-Tiny-pm-76-sub.html#25">Try::Tiny::try</a>
+ # spent 13µs making 1 call to <a href="Try-Tiny-pm-76-sub.html#114">Try::Tiny::catch</a></div></div></td></tr>
+<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"> return ( $possible, $load ) if $ok;</td></tr>
+<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s"> require Carp;</td></tr>
+<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak(</td></tr>
+<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"> "Could not find a suitable $package implementation: $err");</td></tr>
+<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 16µs (14+1) within Module::Implementation::_copy_symbols which was called:
+# once (14µs+1µs) by Module::Implementation::__ANON__[/Users/edenc/perl5/lib/perl5/Module/Implementation.pm:44] at <a href="Module-Implementation-pm-74-sub.html#41">line 41</a></div></div>sub _copy_symbols {</td></tr>
+<tr><td class="h"><a name="102"></a>102</td><td class="c0">9</td><td class="c3"><span title="Avg 2µs">16µs</span></td><td></td><td></td><td class="s"> my $from_package = shift;</td></tr>
+<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"> my $to_package = shift;</td></tr>
+<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"> my $symbols = shift;</td></tr>
+<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"> for my $sym ( @{$symbols} ) {</td></tr>
+<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td class="c3">1</td><td class="c3">1µs</td><td class="s"> my $type = $sym =~ s/^([\$\@\%\&\*])// ? $1 : '&';<div class="calls"><div class="calls_out"> # spent 1µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#Module__Implementation__CORE_subst">Module::Implementation::CORE:subst</a></div></div></td></tr>
+<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> my $from = "${from_package}::$sym";</td></tr>
+<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> my $to = "${to_package}::$sym";</td></tr>
+<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"> {</td></tr>
+<tr><td class="h"><a name="113"></a>113</td><td class="c3">2</td><td class="c1"><span title="Avg 14µs">28µs</span></td><td class="c3">2</td><td class="c3">42µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 27µs (13+14) within Module::Implementation::BEGIN@113 which was called:
+# once (13µs+14µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#113">line 113</a></div></div> no strict 'refs';<div class="calls"><div class="calls_out"> # spent 27µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#113">Module::Implementation::BEGIN@113</a>
+ # spent 14µs making 1 call to <a href="strict-pm-3-sub.html#39">strict::unimport</a></div></div></td></tr>
+<tr><td class="h"><a name="114"></a>114</td><td class="c3">2</td><td class="c0"><span title="Avg 80µs">161µs</span></td><td class="c3">2</td><td class="c3">37µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 23µs (9+14) within Module::Implementation::BEGIN@114 which was called:
+# once (9µs+14µs) by Class::Load::BEGIN@9 at <a href="Module-Implementation-pm-74-sub.html#114">line 114</a></div></div> no warnings 'once';<div class="calls"><div class="calls_out"> # spent 23µs making 1 call to <a href="Module-Implementation-pm-74-sub.html#114">Module::Implementation::BEGIN@114</a>
+ # spent 14µs making 1 call to <a href="warnings-pm-2-sub.html#401">warnings::unimport</a></div></div></td></tr>
+<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"> # Copied from Exporter</td></tr>
+<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"> *{$to}</td></tr>
+<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"> = $type eq '&' ? \&{$from}</td></tr>
+<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"> : $type eq '$' ? \${$from}</td></tr>
+<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s"> : $type eq '@' ? \@{$from}</td></tr>
+<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"> : $type eq '%' ? \%{$from}</td></tr>
+<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"> : $type eq '*' ? *{$from}</td></tr>
+<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s"> : die</td></tr>
+<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"> "Can't copy symbol from $from_package to $to_package: $type$sym";</td></tr>
+<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="129"></a>129</td><td class="c3">1</td><td class="c3"><span title="Avg 4µs">4µs</span></td><td></td><td></td><td class="s">1;</td></tr>
+<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"># ABSTRACT: Loads one of several alternate underlying implementations for a module</td></tr>
+<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
+<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s">Module::Implementation - Loads one of several alternate underlying implementations for a module</td></tr>
+<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">=head1 VERSION</td></tr>
+<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s">version 0.06</td></tr>
+<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
+<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> package Foo::Bar;</td></tr>
+<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> use Module::Implementation;</td></tr>
+<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> BEGIN {</td></tr>
+<tr><td class="h"><a name="152"></a>152</td><td></td><td></td><td></td><td></td><td class="s"> my $loader = Module::Implementation::build_loader_sub(</td></tr>
+<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> implementations => [ 'XS', 'PurePerl' ],</td></tr>
+<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> symbols => [ 'run', 'check' ],</td></tr>
+<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> $loader->();</td></tr>
+<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"> package Consumer;</td></tr>
+<tr><td class="h"><a name="161"></a>161</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="162"></a>162</td><td></td><td></td><td></td><td></td><td class="s"> # loads the first viable implementation</td></tr>
+<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s"> use Foo::Bar;</td></tr>
+<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
+<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s">This module abstracts out the process of choosing one of several underlying</td></tr>
+<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s">implementations for a module. This can be used to provide XS and pure Perl</td></tr>
+<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s">implementations of a module, or it could be used to load an implementation for</td></tr>
+<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s">a given OS or any other case of needing to provide multiple implementations.</td></tr>
+<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s">This module is only useful when you know all the implementations ahead of</td></tr>
+<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s">time. If you want to load arbitrary implementations then you probably want</td></tr>
+<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s">something like a plugin system, not this module.</td></tr>
+<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s">=head1 API</td></tr>
+<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s">This module provides two subroutines, neither of which are exported.</td></tr>
+<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s">=head2 Module::Implementation::<build_loader_sub(...)</td></tr>
+<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s">This subroutine takes the following arguments.</td></tr>
+<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s">=over 4</td></tr>
+<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s">=item * implementations</td></tr>
+<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s">This should be an array reference of implementation names. Each name should</td></tr>
+<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s">correspond to a module in the caller's namespace.</td></tr>
+<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s">In other words, using the example in the L</SYNOPSIS>, this module will look</td></tr>
+<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s">for the C<Foo::Bar::XS> and C<Foo::Bar::PurePerl> modules will be installed</td></tr>
+<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s">This argument is required.</td></tr>
+<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s">=item * symbols</td></tr>
+<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s">A list of symbols to copy from the implementation package to the calling</td></tr>
+<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s">package.</td></tr>
+<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s">These can be prefixed with a variable type: C<$>, C<@>, C<%>, C<&>, or</td></tr>
+<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s">C<*)>. If no prefix is given, the symbol is assumed to be a subroutine.</td></tr>
+<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s">This argument is optional.</td></tr>
+<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
+<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s">This subroutine I<returns> the implementation loader as a sub reference.</td></tr>
+<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s">It is up to you to call this loader sub in your code.</td></tr>
+<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s">I recommend that you I<do not> call this loader in an C<import()> sub. If a</td></tr>
+<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s">caller explicitly requests no imports, your C<import()> sub will not be run at</td></tr>
+<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s">all, which can cause weird breakage.</td></tr>
+<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s">=head2 Module::Implementation::implementation_for($package)</td></tr>
+<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s">Given a package name, this subroutine returns the implementation that was</td></tr>
+<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s">loaded for the package. This is not a full package name, just the suffix that</td></tr>
+<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s">identifies the implementation. For the L</SYNOPSIS> example, this subroutine</td></tr>
+<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s">would be called as C<Module::Implementation::implementation_for('Foo::Bar')>,</td></tr>
+<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s">and it would return "XS" or "PurePerl".</td></tr>
+<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s">=head1 HOW THE IMPLEMENTATION LOADER WORKS</td></tr>
+<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s">The implementation loader works like this ...</td></tr>
+<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s">First, it checks for an C<%ENV> var specifying the implementation to load. The</td></tr>
+<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s">env var is based on the package name which loads the implementations. The</td></tr>
+<tr><td class="h"><a name="230"></a>230</td><td></td><td></td><td></td><td></td><td class="s">C<::> package separator is replaced with C<_>, and made entirely</td></tr>
+<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s">upper-case. Finally, we append "_IMPLEMENTATION" to this name.</td></tr>
+<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s">So in our L</SYNOPSIS> example, the corresponding C<%ENV> key would be</td></tr>
+<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s">C<FOO_BAR_IMPLEMENTATION>.</td></tr>
+<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s">If this is set, then the loader will B<only> try to load this one</td></tr>
+<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s">implementation.</td></tr>
+<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s">If the env var requests an implementation which doesn't match one of the</td></tr>
+<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s">implementations specified when the loader was created, an error is thrown.</td></tr>
+<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s">If this one implementation fails to load then loader throws an error. This is</td></tr>
+<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s">useful for testing. You can request a specific implementation in a test file</td></tr>
+<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s">by writing something like this:</td></tr>
+<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"> BEGIN { $ENV{FOO_BAR_IMPLEMENTATION} = 'XS' }</td></tr>
+<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> use Foo::Bar;</td></tr>
+<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s">If the environment variable is I<not> set, then the loader simply tries the</td></tr>
+<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s">implementations originally passed to C<Module::Implementation>. The</td></tr>
+<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s">implementations are tried in the order in which they were originally passed.</td></tr>
+<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s">The loader will use the first implementation that loads without an error. It</td></tr>
+<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s">will copy any requested symbols from this implementation.</td></tr>
+<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s">If none of the implementations can be loaded, then the loader throws an</td></tr>
+<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s">exception.</td></tr>
+<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s">The loader returns the name of the package it loaded.</td></tr>
+<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
+<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s">Dave Rolsky <autarch@urth.org></td></tr>
+<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT AND LICENSE</td></tr>
+<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s">This software is Copyright (c) 2012 by Dave Rolsky.</td></tr>
+<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s">This is free software, licensed under:</td></tr>
+<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"> The Artistic License 2.0 (GPL Compatible)</td></tr>
+<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s">__END__</td></tr>
+<tr><td class="s"><a name=""></a> </td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="Module__Implementation__CORE_subst"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 5µs within Module::Implementation::CORE:subst which was called 2 times, avg 3µs/call:
+# once (4µs+0s) by Module::Implementation::_build_loader at <a href="Module-Implementation-pm-74-sub.html#29">line 29</a>
+# once (1µs+0s) by Module::Implementation::_copy_symbols at <a href="Module-Implementation-pm-74-sub.html#107">line 107</a></div></div>sub Module::Implementation::CORE:subst; # opcode<br /> </td></tr>
+</tbody></table></div>
+
+ <script type="text/javascript"> $(document).ready(function() {
+
+ $("#subs_table").tablesorter({
+ sortList: [[3,1]],
+ headers: {
+ 3: { sorter: 'fmt_time' },
+ 4: { sorter: 'fmt_time' }
+ }
+ });
+
+ } ); </script>
+
+ <div class="footer">Report produced by the
+ <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
+ Perl profiler, developed by
+ <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
+ <a href="http://code.nytimes.com">Adam Kaplan</a>.
+ </div>
+ <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
+ </body></html>
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projects / scpubgit/stemmatology.git / blobdiff