X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fif.pm;h=5f6bcc8ae16cfc8af3869a681613002b1b3c6af7;hb=dc8f638738195a8f1d6774aa5a9874607346c798;hp=9e140c37d6dab787be126998032a5ea1c87bb3c2;hpb=0d7509de16bc60421fced9c9069b224cfd591b45;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/lib/if.pm b/lib/if.pm
index 9e140c3..5f6bcc8 100644
--- a/lib/if.pm
+++ b/lib/if.pm
@@ -1,15 +1,16 @@
 package if;
 
-$VERSION = '0.04';
+$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 = $_[0];		# PACKAGE
   (my $file = "$p.pm") =~ s!::!/!g;
-  require $file;
-
+  require $file;		# Works even if $_[0] is a keyword (like open)
   my $m = $p->can($method);
   goto &$m if $m;
 }
@@ -39,6 +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