libhash-safekeys-perl

Perl module to get hash contents without resetting each iterator

Description

Hash::SafeKeys provides alternate functions to access the keys, values, or entire contents of a hash in a way that does not reset the iterator, making them safe to use in such contexts:

 while (my($k,$v) = each %hash) {
   ...
   @k = sort safekeys %hash; # Can do
   @v = grep { /foo/ }, safevalues %hash; # No problem
   print join ' ', safecopy %hash; # Right away, sir
 }

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Homepage

https://metacpan.org/release/Hash-SafeKeys


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