Re: Refactoring: sub within a sub


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Re: Refactoring: sub within a sub

by tobyink (Canon)

on Jul 25, 2012 at 19:44 UTC ( [id://983726]=note: print w/replies, xml )

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in reply to Refactoring: sub within a sub

use strict;
use Digest::SHA 'sha1_hex';

sub get_hash_printer
{
   my $str  = shift;
   my $hash = sha1_hex($str);
   return sub {
      print "$hash\n";
   }
}

my $hash_printer = get_hash_printer("Hello");
$hash_printer->();

__END__
f7ff9e8b7bb2e09b70935a5d785e0cc5d9d0abf0
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perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'