Comments on: WTFish side of using Perl talk at YAPC::EU 2009 – slides http://perl.baczynski.com/yapc/wtfish-side-of-using-perl-talk-at-yapceu-2009-slides Perl, CPAN, YAPC... et ceatera Thu, 29 Apr 2010 15:41:03 +0000 http://wordpress.org/?v=1027 hourly 1 By: Chas. Owens http://perl.baczynski.com/yapc/wtfish-side-of-using-perl-talk-at-yapceu-2009-slides/comment-page-1#comment-6 Chas. Owens Wed, 26 Aug 2009 23:25:15 +0000 http://perl.baczynski.com/?p=27#comment-6 Another WTF related to regex delimiters: m?foo? has special behavior (http://perldoc.perl.org/perlop.html#?PATTERN?). Also, &my_subroutine() bypasses prototype checking, so sub foo ($) { print "@_\n"; } foo(1, 2); #error, one one parameter allowed &foo(1, 2); #not an error Of course, that brings up prototypes which are full of WTF. Examine my @a = qw/ a b c /; foo(@a); #not an error, 3 is passed to foo Another WTF related to regex delimiters: m?foo? has special behavior (http://perldoc.perl.org/perlop.html#?PATTERN?).

Also, &my_subroutine() bypasses prototype checking, so

sub foo ($) {
print “@_\n”;
}

foo(1, 2); #error, one one parameter allowed

&foo(1, 2); #not an error

Of course, that brings up prototypes which are full of WTF. Examine

my @a = qw/ a b c /;
foo(@a); #not an error, 3 is passed to foo

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