Great.

A pity you don't cache the possibility that it doesn't exist: 

BEGIN {
    my %cache;
    sub do_it {
      my $func = shift;
      $cache{$func} = do { 
          local @ISA; __PACKAGE__->can("do_$fun") 
        }
        unless exist $cache{$func};
      $cache{$func}->(@_);
    }
  }

[download]
Jeroen

Update: merlyn is right. Fixed that.

In reply to Re:{3} Strict, strings and subroutines by jeroenes
in thread Strict, strings and subroutines by hatter

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