From: Matt S Trout <mst@shadowcat.co.uk>
Date: Tue, 17 Jul 2012 14:55:30 +0000 (+0000)
Subject: add Mouse support for isa/coerce
X-Git-Tag: v1.000000~7
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMoo.git;a=commitdiff_plain;h=f96bb37cdf7e575e923baf595d911bc364b3a202

add Mouse support for isa/coerce
---

diff --git a/lib/Moo/Role.pm b/lib/Moo/Role.pm
index 256b191..fdafb11 100644
--- a/lib/Moo/Role.pm
+++ b/lib/Moo/Role.pm
@@ -101,13 +101,30 @@ sub _inhale_if_moose {
     $INFO{$role}{attributes} = [
       map +($_ => do {
         my $spec = { %{$meta->get_attribute($_)} };
+
         if ($spec->{isa}) {
-          require Moose::Util::TypeConstraints;
-          my $tc = Moose::Util::TypeConstraints::find_or_create_isa_type_constraint($spec->{isa});
+
+          my $get_constraint = do {
+            my $pkg = $meta->isa('Mouse::Meta::Role')
+                        ? 'Mouse::Util::TypeConstraints'
+                        : 'Moose::Util::TypeConstraints';
+            _load_module($pkg);
+            $pkg->can('find_or_create_isa_type_constraint');
+          };
+
+          my $tc = $get_constraint->($spec->{isa});
           my $check = $tc->_compiled_type_constraint;
-          $spec->{isa} = sub { &$check or die "Type constraint failed for $_[0]" };
+
+          $spec->{isa} = sub {
+            &$check or die "Type constraint failed for $_[0]"
+          };
+
           if ($spec->{coerce}) {
-             $spec->{coerce} = $tc->coercion->_compiled_type_coercion;
+
+             # Mouse has _compiled_type_coercion straight on the TC object
+             $spec->{coerce} = $tc->${\(
+               $tc->can('coercion')||sub { $_[0] }
+             )}->_compiled_type_coercion;
           }
         }
         $spec;
diff --git a/xt/moo-consume-mouse-role-coerce.t b/xt/moo-consume-mouse-role-coerce.t
new file mode 100644
index 0000000..4c8281b
--- /dev/null
+++ b/xt/moo-consume-mouse-role-coerce.t
@@ -0,0 +1,33 @@
+use strict;
+use warnings;
+use Test::More;
+
+{
+    package RoleOne;
+    use Mouse::Role;
+    use Mouse::Util::TypeConstraints;
+    use namespace::autoclean;
+
+    subtype 'Foo', as 'Int';
+    coerce 'Foo', from 'Str', via { 3 };
+
+    has foo => (
+        is => 'rw',
+        isa => 'Foo',
+        coerce => 1,
+        clearer => '_clear_foo',
+    );
+}
+{
+    package Class;
+    use Moo; # Works if use Moose..
+    use namespace::clean -except => 'meta';
+
+    with 'RoleOne';
+}
+
+my $i = Class->new( foo => 'bar' );
+is $i->foo, 3;
+
+done_testing;
+