Rename ext/Compress/Zlib to ext/Compress-Zlib

[p5sagit/p5-mst-13.2.git] / lib / if.pm

diff --git a/lib/if.pm b/lib/if.pm
index 32c4fad..5f6bcc8 100644 (file)
--- a/lib/if.pm
+++ b/lib/if.pm
@@ -1,13 +1,18 @@
 package if;
 
-our $VERSION = '0.01';
+$VERSION = '0.05';
 
 sub work {
   my $method = shift() ? 'import' : 'unimport';
+  die "Too few arguments to `use if' (some code returning an empty list in list context?)"
+    unless @_ >= 2;
   return unless shift;         # CONDITION
-  my $p = shift;               # PACKAGE
-  eval "require $p" or die;    # Adds .pm etc if needed
-  $p->$method(@_) if $p->can($method);
+
+  my $p = $_[0];               # PACKAGE
+  (my $file = "$p.pm") =~ s!::!/!g;
+  require $file;               # Works even if $_[0] is a keyword (like open)
+  my $m = $p->can($method);
+  goto &$m if $m;
 }
 
 sub import   { shift; unshift @_, 1; goto &work }
@@ -35,6 +40,9 @@ the same as of
 
   use MODULE ARGUMENTS;
 
+Above C<< => >> provides necessary quoting of C<MODULE>.  If not used (e.g.,
+no ARGUMENTS to give), you'd better quote C<MODULE> yourselves.
+
 =head1 BUGS
 
 The current implementation does not allow specification of the