From: gfx <gfuji@cpan.org>
Date: Fri, 19 Feb 2010 07:02:13 +0000 (+0900)
Subject: Add type_parameter() and __is_parameterized() to Meta::TypeConstraint
X-Git-Tag: 0.50_02~11
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=commitdiff_plain;h=fc83f4cf2ef7708120a216bddc285b93082d7958

Add type_parameter() and __is_parameterized() to Meta::TypeConstraint
---

diff --git a/lib/Mouse/Meta/TypeConstraint.pm b/lib/Mouse/Meta/TypeConstraint.pm
index 023cb37..f6bdac8 100644
--- a/lib/Mouse/Meta/TypeConstraint.pm
+++ b/lib/Mouse/Meta/TypeConstraint.pm
@@ -211,12 +211,12 @@ sub parameterize{
         || Carp::confess("The $name constraint cannot be used, because $param doesn't subtype from a parameterizable type");
 
     return Mouse::Meta::TypeConstraint->new(
-        name        => $name,
-        parent      => $self,
-        parameter   => $param,
-        constraint  => $generator->($param), # must be 'constraint', not 'optimized'
+        name           => $name,
+        parent         => $self,
+        type_parameter => $param,
+        constraint     => $generator->($param), # must be 'constraint', not 'optimized'
 
-        type        => 'Parameterized',
+        type           => 'Parameterized',
     );
 }
 
diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm
index 820968e..a946b03 100644
--- a/lib/Mouse/PurePerl.pm
+++ b/lib/Mouse/PurePerl.pm
@@ -511,6 +511,9 @@ sub name    { $_[0]->{name}    }
 sub parent  { $_[0]->{parent}  }
 sub message { $_[0]->{message} }
 
+sub type_parameter { $_[0]->{type_parameter} }
+sub __is_parameterized { exists $_[0]->{type_parameter} }
+
 sub _compiled_type_constraint{ $_[0]->{compiled_type_constraint} }
 
 sub _compiled_type_coercion  { $_[0]->{_compiled_type_coercion}  }
diff --git a/t/001_mouse/043-parameterized-type.t b/t/001_mouse/043-parameterized-type.t
index 74b3ea9..3e223e2 100644
--- a/t/001_mouse/043-parameterized-type.t
+++ b/t/001_mouse/043-parameterized-type.t
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 use strict;
 use warnings;
-use Test::More tests => 51;
+use Test::More tests => 54;
 use Test::Exception;
 
 use Tie::Hash;
@@ -210,4 +210,15 @@ while(my($k, $v) = each %th){
     $th_clone{$k} = $v;
 }
 
+is( $hash_of_int->type_parameter, 'Int' );
+
+if('Mouse' eq ('Mo' . 'use')){ # under Mouse
+    ok $hash_of_int->__is_parameterized();
+    ok!$hash_of_int->type_parameter->__is_parameterized();
+}
+else{ # under Moose
+    ok $hash_of_int->can('type_parameter');
+    ok!$hash_of_int->type_parameter->can('type_parameter');
+}
+
 is_deeply \%th_clone, \%th, 'the hash iterator is initialized';
diff --git a/xs-src/MouseTypeConstraints.xs b/xs-src/MouseTypeConstraints.xs
index 8188467..605c923 100644
--- a/xs-src/MouseTypeConstraints.xs
+++ b/xs-src/MouseTypeConstraints.xs
@@ -659,10 +659,13 @@ BOOT:
     INSTALL_SIMPLE_READER(TypeConstraint, parent);
     INSTALL_SIMPLE_READER(TypeConstraint, message);
 
+    INSTALL_SIMPLE_READER(TypeConstraint, type_parameter);
+
     INSTALL_SIMPLE_READER_WITH_KEY(TypeConstraint, _compiled_type_constraint, compiled_type_constraint);
     INSTALL_SIMPLE_READER(TypeConstraint, _compiled_type_coercion); /* Mouse specific */
 
     INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, has_coercion, _compiled_type_coercion);
+    INSTALL_SIMPLE_PREDICATE_WITH_KEY(TypeConstraint, __is_parameterized, type_parameter); /* Mouse specific */
 
 void
 compile_type_constraint(SV* self)