File Coverage

blib/lib/Iterator/Flex/Role/Next/Closure.pm

Criterion	Covered	Total	%
statement	35	35	100.0
branch			n/a
condition	1	3	33.3
subroutine	10	10	100.0
pod	1	1	100.0
total	47	49	95.9

package Iterator::Flex::Role::Next::Closure;

# ABSTRACT: Construct a next() method for iterators without closed over $self

use v5.28;
use strict;
use warnings;

our $VERSION = '0.34';

use Iterator::Flex::Utils 'NEXT', 'throw_failure';
use Scalar::Util;
use Role::Tiny;
use experimental 'signatures';

use namespace::clean;














sub _construct_next ( $class, $ipar, $ ) {

    # ensure we don't hold any strong references in the subroutine
    my $sub = $ipar->{ +NEXT } // throw_failure( parameter => q{Missing 'next' parameter} );
    Scalar::Util::weaken $ipar->{ +NEXT };
    return $sub;
}

sub next ( $self ) { &{$self}() }    ## no critic (BuiltinHomonyms)
*__next__ = \&next;

1;

#
# This file is part of Iterator-Flex
#
# This software is Copyright (c) 2018 by Smithsonian Astrophysical Observatory.
#
# This is free software, licensed under:
#
#   The GNU General Public License, Version 3, June 2007
#

__END__