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  1. #!/usr/bin/perl
  2. use strict;
  3. use warnings;
  4.  
  5. my %hash = (
  6.     key1 => "value1",
  7.     key2 => sub {
  8.         return "value2"; # In the real code, this value can differ
  9.     },
  10. );
  11.  
  12. sub evaluate {
  13.     my $val = shift;
  14.     return $val->() if ref($val) eq 'CODE';
  15.     return $val;  # otherwise
  16. }
  17.  
  18. foreach my $key (sort keys %hash) {
  19.     print evaluate($hash{$key}) . "\n";
  20. }
Success #stdin #stdout 0s 6176KB
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Standard input is empty
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value1
value2
https://ideone.com/sDM64D
language:
Perl (perl 5.28.1)
created:
9 years ago
visibility:
public

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