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#!/usr/bin/env perl
use strict;
use warnings;
use Test::More;
use Fun;
fun foo ($x, $y = 5) {
return $x + $y;
}
is(foo(3, 4), 7);
is(foo(3), 8);
{
my $warning;
local $SIG{__WARN__} = sub { $warning = $_[0] };
is(foo, 5);
like($warning, qr/Use of uninitialized value \$x in addition \(\+\)/);
}
fun bar ($baz, $quux = foo(1) * 2, $blorg = sub { return "ran sub, got " . $_[0] }) {
$blorg->($baz + $quux);
}
is(bar(3, 4, sub { $_[0] }), 7);
is(bar(5, 6), "ran sub, got 11");
is(bar(7), "ran sub, got 19");
{
my $warning;
local $SIG{__WARN__} = sub { $warning = $_[0] };
is(bar, "ran sub, got 12");
like($warning, qr/Use of uninitialized value \$baz in addition \(\+\)/);
}
done_testing;
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