return *{$package . '::' . $name}{CODE};
}
-package
- Mouse::Util::TypeConstraints;
-
-use Scalar::Util qw(blessed looks_like_number openhandle);
-
-sub _generate_class_type_for{
+sub generate_isa_predicate_for {
my($for_class, $name) = @_;
- my $predicate = sub{ blessed($_[0]) && $_[0]->isa($for_class) };
+ my $predicate = sub{ Scalar::Util::blessed($_[0]) && $_[0]->isa($for_class) };
if(defined $name){
no strict 'refs';
}
+package
+ Mouse::Util::TypeConstraints;
+
+use Scalar::Util qw(blessed looks_like_number openhandle);
+
sub Any { 1 }
sub Item { 1 }
sub ClassName { Mouse::Util::is_class_loaded($_[0]) }
sub RoleName { (Mouse::Util::class_of($_[0]) || return 0)->isa('Mouse::Meta::Role') }
+sub _parameterize_ArrayRef_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub {
+ foreach my $value (@{$_}) {
+ return undef unless $check->($value);
+ }
+ return 1;
+ }
+}
+
+sub _parameterize_HashRef_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub {
+ foreach my $value(values %{$_}){
+ return undef unless $check->($value);
+ }
+ return 1;
+ };
+}
+
+# 'Maybe' type accepts 'Any', so it requires parameters
+sub _parameterize_Maybe_for {
+ my($type_parameter) = @_;
+ my $check = $type_parameter->_compiled_type_constraint;
+
+ return sub{
+ return !defined($_) || $check->($_);
+ };
+};
+
+
package
Mouse::Meta::Module;
sub has_coercion{ exists $_[0]->{_compiled_type_coercion} }
+
+sub compile_type_constraint{
+ my($self) = @_;
+
+ # add parents first
+ my @checks;
+ for(my $parent = $self->{parent}; defined $parent; $parent = $parent->{parent}){
+ if($parent->{hand_optimized_type_constraint}){
+ unshift @checks, $parent->{hand_optimized_type_constraint};
+ last; # a hand optimized constraint must include all the parents
+ }
+ elsif($parent->{constraint}){
+ unshift @checks, $parent->{constraint};
+ }
+ }
+
+ # then add child
+ if($self->{constraint}){
+ push @checks, $self->{constraint};
+ }
+
+ if($self->{type_constraints}){ # Union
+ my @types = map{ $_->{compiled_type_constraint} } @{ $self->{type_constraints} };
+ push @checks, sub{
+ foreach my $c(@types){
+ return 1 if $c->($_[0]);
+ }
+ return 0;
+ };
+ }
+
+ if(@checks == 0){
+ $self->{compiled_type_constraint} = \&Mouse::Util::TypeConstraints::Any;
+ }
+ else{
+ $self->{compiled_type_constraint} = sub{
+ my(@args) = @_;
+ local $_ = $args[0];
+ foreach my $c(@checks){
+ return undef if !$c->(@args);
+ }
+ return 1;
+ };
+ }
+ return;
+}
+
+
+
1;
__END__
=head1 VERSION
-This document describes Mouse version 0.40_01
+This document describes Mouse version 0.40_04
=head1 SEE ALSO