From: Matt S Trout <mst@shadowcat.co.uk>
Date: Sat, 12 May 2012 16:35:04 +0000 (+0000)
Subject: unimport::out_of
X-Git-Tag: v1.001000~3
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=100742112f9d3aada7ea4be3053a99b09a7ef745;p=p5sagit%2FImport-Into.git

unimport::out_of
---

diff --git a/Changes b/Changes
index b1a62fc..fa318b3 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,5 @@
+  - add unimport::out_of
+
 1.000003 - 2012-05-06
   - clarify how the method name trick works since apparently now people
     understand the eval/import trick they've noticed that that isn't the
diff --git a/lib/Import/Into.pm b/lib/Import/Into.pm
index 37fdddd..b1daa54 100644
--- a/lib/Import/Into.pm
+++ b/lib/Import/Into.pm
@@ -7,14 +7,23 @@ our $VERSION = '1.000003'; # 1.0.3
 
 my %importers;
 
+sub _importer {
+  my $target = shift;
+  \($importers{$target} ||= eval qq{
+    package $target;
+    sub { my \$m = splice \@_, 1, 1; shift->\$m(\@_) };
+  } or die "Couldn't build importer for $target: $@")
+}
+  
+
 sub import::into {
   my ($class, $target, @args) = @_;
-  $class->${\(
-    $importers{$target} ||= eval qq{
-      package $target;
-      sub { shift->import(\@_) };
-    } or die "Couldn't build importer for $target: $@"
-  )}(@args);
+  $class->${_importer($target)}(import => @args);
+}
+
+sub unimport::out_of {
+  my ($class, $target, @args) = @_;
+  $class->${_importer($target)}(unimport => @args);
 }
 
 1;
@@ -61,6 +70,13 @@ C<import::into> on it. This is a global method, and is callable on any
 package (and in fact on any object as well, although it's rarer that you'd
 want to do that).
 
+Finally, we also provide an C<unimport::out_of> to allow the exporting of the
+effect of C<no>:
+
+  sub unimport {
+    Moose->unimport::out_of(scalar caller); # no MyThing == no Moose
+  }
+
 If how and why this all works is of interest to you, please read on to the
 description immediately below.