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#!/usr/bin/perl
use strict;
use warnings;
use Test::More;
{
use List::Util qw( first );
my $hash = {
'HellO WorlD' => 1,
};
is( ( first { 'hello world' eq lc($_) } keys %$hash ), "HellO WorlD",
'first (lc$_) perserves value' );
}
{
use List::Util qw( any );
my $hash = {
'HellO WorlD' => 1,
};
my $var;
no warnings 'void';
any { lc($_); $var = $_; } keys %$hash;
is( $var, 'HellO WorlD',
'any (lc$_) leaves value undisturbed' );
}
done_testing;
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