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package MooseX::UndefTolerant::Class;
our $VERSION = '0.21';
# applied to metaclass, for Moose >= 1.9900
use strict;
use warnings;
use Moose::Role;
# TODO: this code should be in the attribute trait, in the inlined version of
# initialize_instance_slot, but this does not yet exist!
around _inline_init_attr_from_constructor => sub {
my $orig = shift;
my $self = shift;
my ($attr, $idx) = @_;
my @source = $self->$orig(@_);
my $init_arg = $attr->init_arg;
my $type_constraint = $attr->type_constraint;
my $tc_says_clean = ($type_constraint && !$type_constraint->check(undef) ? 1 : 0);
# FIXME: not properly sanitizing field names - e.g. consider a field name "Z'ha'dum"
return ($tc_says_clean ? (
"if ( exists \$params->{'$init_arg'} && defined \$params->{'$init_arg'} ) {",
) : (),
@source,
$tc_says_clean ? (
'} else {',
"delete \$params->{'$init_arg'};",
'}',
) : (),
);
};
no Moose::Role;
1;
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