NAME
Hash::Subset - Produce subset of a hash
VERSION
This document describes version 0.001 of Hash::Subset (from Perl
distribution Hash-Subset), released on 2019-07-10.
SYNOPSIS
use Hash::Subset qw(hash_subset hashref_subset);
# using keys specified from an array
my %h = hash_subset ({a=>1, b=>2, c=>3}, ['b','c','d']); # => (b=>2, c=>3)
my $h = hashref_subset({a=>1, b=>2, c=>3}, ['b','c','d']); # => {b=>2, c=>3}
# using keys specified from another hash
my %h = hash_subset ({a=>1, b=>2, c=>3}, {b=>20, c=>30, d=>40}); # => (b=>2, c=>3)
my $h = hashref_subset({a=>1, b=>2, c=>3}, {b=>20, c=>30, d=>40}); # => {b=>2, c=>3}
DESCRIPTION
FUNCTIONS
None exported by default.
hash_subset
Usage:
my %hash = hash_subset (\%hash, \@keys);
my $hashref = hashref_subset(\%hash, \@keys);
my %hash = hash_subset (\%hash, \%another_hash);
my $hashref = hashref_subset(\%hash, \%another_hash);
Produce subset of %hash, returning the subset hash (or hashref, in the
case of "hashref_subset" function).
hashref_subset
See "hash_subset".
HOMEPAGE
Please visit the project's homepage at
.
SOURCE
Source repository is at .
BUGS
Please report any bugs or feature requests on the bugtracker website
When submitting a bug or request, please include a test-file or a patch
to an existing test-file that illustrates the bug or desired feature.
SEE ALSO
Some other hash utilities: Hash::MostUtils
AUTHOR
perlancar
COPYRIGHT AND LICENSE
This software is copyright (c) 2019 by perlancar@cpan.org.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.