X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint.pm;h=64b266d7567541efa0d1e3cca8b280324758c366;hb=c9d7e3969b1695246e82f8d4260222216d2aa722;hp=876d80c786f455c4b6dc331f79796a19f8fb7581;hpb=cfd006f0b8626746aedb71e4fe8fb7de21ec5497;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint.pm b/lib/Moose/Meta/TypeConstraint.pm
index 876d80c..64b266d 100644
--- a/lib/Moose/Meta/TypeConstraint.pm
+++ b/lib/Moose/Meta/TypeConstraint.pm
@@ -9,10 +9,11 @@ use overload '""'     => sub { shift->name },   # stringify to tc name
              fallback => 1;
 
 use Scalar::Util qw(blessed refaddr);
+use Sub::Name qw(subname);
 
 use base qw(Class::MOP::Object);
 
-our $VERSION   = '0.72';
+our $VERSION   = '0.79';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -82,6 +83,8 @@ sub coerce {
         Moose->throw_error("Cannot coerce without a type coercion");
     }
 
+    return $_[0] if $self->check($_[0]);
+
     return $coercion->coerce(@_);
 }
 
@@ -108,9 +111,9 @@ sub get_message {
         return $msg->($value);
     }
     else {
-        $value = (defined $value ? overload::StrVal($value) : 'undef');        
+        $value = (defined $value ? overload::StrVal($value) : 'undef');
         return "Validation failed for '" . $self->name . "' failed with value $value";
-    }    
+    }
 }
 
 ## type predicates ...
@@ -232,7 +235,7 @@ sub _compile_subtype {
         if ( $check == $null_constraint ) {
             return $optimized_parent;
         } else {
-            return Class::MOP::subname($self->name, sub {
+            return subname($self->name, sub {
                 return undef unless $optimized_parent->($_[0]);
                 my (@args) = @_;
                 local $_ = $args[0];
@@ -243,7 +246,7 @@ sub _compile_subtype {
         # general case, check all the constraints, from the first parent to ourselves
         my @checks = @parents;
         push @checks, $check if $check != $null_constraint;
-        return Class::MOP::subname($self->name => sub {
+        return subname($self->name => sub {
             my (@args) = @_;
             local $_ = $args[0];
             foreach my $check (@checks) {
@@ -259,7 +262,7 @@ sub _compile_type {
 
     return $check if $check == $null_constraint; # Item, Any
 
-    return Class::MOP::subname($self->name => sub {
+    return subname($self->name => sub {
         my (@args) = @_;
         local $_ = $args[0];
         $check->(@args);
@@ -285,10 +288,6 @@ sub create_child_type {
     return $class->new(%opts, parent => $self);
 }
 
-## this should get deprecated actually ...
-
-sub union { Carp::croak "DEPRECATED" }
-
 1;
 
 __END__
@@ -306,6 +305,10 @@ constraints, as well as constraints you define, are all store in a
 L<Moose::Meta::TypeConstraint::Registry> object as objects of this
 class.
 
+=head1 INHERITANCE
+
+C<Moose::Meta::TypeConstraint> is a subclass of L<Class::MOP::Object>.
+
 =head1 METHODS
 
 =over 4