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#!perl
use strict ("subs", "vars", "refs");
use warnings ("all");
BEGIN { $ENV{LIST_MOREUTILS_PP} = 1; }
END { delete $ENV{LIST_MOREUTILS_PP} } # for VMS
use lib ("t/lib");
use List::MoreUtils (":all");
BEGIN
{
$INC{'List/MoreUtils.pm'} or *first_value = __PACKAGE__->can("firstval");
}
use Test::More;
use Test::LMU;
my $x = firstval { $_ > 5 } 4 .. 9;
is($x, 6);
$x = firstval { $_ > 5 } 1 .. 4;
is($x, undef);
is_undef(firstval { $_ > 5 });
# Test aliases
$x = first_value { $_ > 5 } 4 .. 9;
is($x, 6);
$x = first_value { $_ > 5 } 1 .. 4;
is($x, undef);
leak_free_ok(
firstval => sub {
$x = firstval { $_ > 5 } 4 .. 9;
}
);
is_dying('firstval without sub' => sub { &firstval(42, 4711); });
done_testing;
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