error if we have a lazy attr with no default or builder

[gitmo/Moose.git] / lib / Moose / Meta / Method / Accessor / Native / Hash / delete.pm

package Moose::Meta::Method::Accessor::Native::Hash::delete;

use strict;
use warnings;

our $VERSION = '1.19';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';

use Moose::Role;

with 'Moose::Meta::Method::Accessor::Native::Hash::Writer' => {
    -excludes => [
        qw(
            _optimized_set_new_value
            _return_value
            )
    ],
};

sub _adds_members { 0 }

sub _potential_value {
    my $self = shift;
    my ($slot_access) = @_;

    return '(do { '
             . 'my %potential = %{ (' . $slot_access . ') }; '
             . '@return = delete @potential{@_}; '
             . '\%potential; '
         . '})';
}

sub _optimized_set_new_value {
    my $self = shift;
    my ($inv, $new, $slot_access) = @_;

    return '@return = delete @{ (' . $slot_access . ') }{@_}';
}

sub _return_value {
    my $self = shift;
    my ($slot_access) = @_;

    return 'wantarray ? @return : $return[-1]';
}

no Moose::Role;

1;