X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2Fif.pm;h=5f6bcc8ae16cfc8af3869a681613002b1b3c6af7;hb=86f0d17ae7d22e132374646440ff37525d8d624b;hp=6574d978bb6b3f6373dcb551c079400697ac5a51;hpb=b97616431c42ffbbb12f97bf297caee34b9f27a9;p=p5sagit%2Fp5-mst-13.2.git diff --git a/lib/if.pm b/lib/if.pm index 6574d97..5f6bcc8 100644 --- a/lib/if.pm +++ b/lib/if.pm @@ -1,15 +1,16 @@ package if; -our $VERSION = '0.03'; +$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 or die; - + 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. If not used (e.g., +no ARGUMENTS to give), you'd better quote C yourselves. + =head1 BUGS The current implementation does not allow specification of the