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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
BEGIN {
plan skip_all => "signatures are not availble"
unless $] >= 5.026;
}
use feature 'signatures';
no warnings 'experimental::signatures';
BEGIN {
plan skip_all => "Future is not available"
unless eval { require Future };
plan skip_all => "Future::AsyncAwait >= 0.55 is not available"
unless eval { require Future::AsyncAwait;
Future::AsyncAwait->VERSION( '0.55' ) };
plan skip_all => "Syntax::Keyword::MultiSub >= 0.01 is not available"
unless eval { require Syntax::Keyword::MultiSub;
Syntax::Keyword::MultiSub->VERSION( '0.01' ) };
Future::AsyncAwait->import;
Syntax::Keyword::MultiSub->import;
diag( "Future::AsyncAwait $Future::AsyncAwait::VERSION, " .
"Syntax::Keyword::MultiSub $Syntax::Keyword::MultiSub::VERSION" );
}
async multi sub f () { return "null"; }
async multi sub f ( $x ) { return "un($x)"; }
is( await f(), "null", 'f() on zero args' );
is( await f( 1 ), "un(1)", 'f() on one arg' );
# Ordering shouldn't matter
multi async sub g () { return "also-null"; }
multi async sub g ( $x ) { return "also-un($x)"; }
is( await g(), "also-null", 'g() on zero args' );
done_testing;
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