# NAME

Hash::BulkKeyCopy - a xs module for clone hash with keys

# SYNOPSIS

   use Hash::BulkKeyCopy;

# USAGE

   my $ht_ka = ["k1_1", "k1_2", "k1_3"]; # it will use src_hash's keys when give an empty array
   my $hs_ka = ["k2_1", "k2_2", "k2_3"];

   my ($h1, $h2) = ({}, {"k2_1" => 1, "k2_2" => undef, "k2_3" => []});
   hash_bulk_keycopy($h1, $h2, $ht_ka, $hs_ka);

# DESCRIPTION

Hash::BulkKeyCopy is a xs module for clone hash by a key arr.
Double faster than PP source.

# LICENSE

Copyright (C) itsusony. FreakOut.

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

# AUTHOR

itsusony <[email protected]>

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