Fix some issues on attributes

diff --git a/lib/Mouse.pm b/lib/Mouse.pm
index d57d75e..d964a84 100644 (file)
--- a/lib/Mouse.pm
+++ b/lib/Mouse.pm
@@ -46,6 +46,9 @@ sub has {
     my $meta = Mouse::Meta::Class->initialize(scalar caller);
     my $name = shift;
 
+    $meta->throw_error(q{Usage: has 'name' => ( key => value, ... )})\r
+        if @_ % 2; # odd number of arguments
+
     $meta->add_attribute($_ => @_) for ref($name) ? @{$name} : $name;
 }
 

diff --git a/lib/Mouse/Meta/Class.pm b/lib/Mouse/Meta/Class.pm
index f418d6c..beaeee5 100644 (file)
--- a/lib/Mouse/Meta/Class.pm
+++ b/lib/Mouse/Meta/Class.pm
@@ -369,12 +369,8 @@ sub _install_modifier {
         $impl = sub {
             my ( $self, $type, $name, $code ) = @_;
             my $into = $self->name;
-            $install_modifier->(
-                $into,
-                $type,
-                $name,
-                $code
-            );
+            $install_modifier->($into, $type, $name, $code);
+
             $self->add_method($name => do{
                 no strict 'refs';
                 \&{ $into . '::' . $name };
@@ -456,8 +452,8 @@ sub does_role {
         || $self->throw_error("You must supply a role name to look for");
 
     for my $class ($self->linearized_isa) {
-        my $meta = Mouse::Util::get_metaclass_by_name($class);
-        next unless $meta && $meta->can('roles');
+        my $meta = Mouse::Util::get_metaclass_by_name($class)
+            or next;
 
         for my $role (@{ $meta->roles }) {
 
@@ -469,7 +465,6 @@ sub does_role {
 }
 
 1;
-
 __END__
 
 =head1 NAME

diff --git a/lib/Mouse/Meta/Method/Accessor.pm b/lib/Mouse/Meta/Method/Accessor.pm
index d073cb5..9c5b746 100755 (executable)
--- a/lib/Mouse/Meta/Method/Accessor.pm
+++ b/lib/Mouse/Meta/Method/Accessor.pm
@@ -88,11 +88,20 @@ sub _generate_accessor{
             $value = '$default';
         }
 
+        $accessor .= "if(!exists $slot){\n";
         if($should_coerce){
-            $value = "\$constraint->coerce($value)";
+            $accessor .= "$slot = \$constraint->coerce($value)";
         }
-
-        $accessor .= "$slot = $value if !exists $slot;\n";
+        elsif(defined $constraint){
+            $accessor .= "my \$tmp = $value;\n";
+            $accessor .= "\$compiled_type_constraint->(\$tmp)";
+            $accessor .= "or \$attribute->verify_type_constraint_error(\$name, \$tmp, \$constraint);\n";
+            $accessor .= "$slot = \$tmp;\n";
+        }
+        else{
+            $accessor .= "$slot = $value;\n";
+        }
+        $accessor .= "}\n";
     }
 
     if ($should_deref) {