X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FMeta%2FTypeConstraint.pm;h=2593b8250a3bb7bf64636b1fc0679d1f3163d9f1;hp=2e974064e6298239f6a2c6b09d222572ec65ce54;hb=de0d4152ac07ed26a928841729e97366187b2915;hpb=d2af4ecb99e97626bb2c07d9104007cc1d4206e5

diff --git a/lib/Mouse/Meta/TypeConstraint.pm b/lib/Mouse/Meta/TypeConstraint.pm
index 2e97406..2593b82 100644
--- a/lib/Mouse/Meta/TypeConstraint.pm
+++ b/lib/Mouse/Meta/TypeConstraint.pm
@@ -17,8 +17,6 @@ use overload
 
 use Carp         ();
 
-my $null_check = sub { 1 };
-
 sub new {
     my($class, %args) = @_;
 
@@ -26,13 +24,6 @@ sub new {
 
     my $check = delete $args{optimized};
 
-    if($args{_compiled_type_constraint}){
-        Carp::cluck("'_compiled_type_constraint' has been deprecated, use 'optimized' instead")
-            if _MOUSE_VERBOSE;
-
-        $check = $args{_compiled_type_constraint};
-    }
-
     if($check){
         $args{hand_optimized_type_constraint} = $check;
         $args{compiled_type_constraint}       = $check;
@@ -90,52 +81,14 @@ sub create_child_type{
    );
 }
 
+sub name;
+sub parent;
+sub message;
+sub has_coercion;
+sub _compiled_type_constraint;
+sub _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} = $null_check;
-    }
-    else{
-        $self->{compiled_type_constraint} =  sub{
-            my(@args) = @_;
-            local $_ = $args[0];
-            foreach my $c(@checks){
-                return undef if !$c->(@args);
-            }
-            return 1;
-        };
-    }
-    return;
-}
+sub compile_type_constraint;
 
 sub _add_type_coercions{
     my $self = shift;
@@ -163,15 +116,15 @@ sub _add_type_coercions{
     }
     else{
         $self->{_compiled_type_coercion} = sub {
-           my($thing) = @_;
-           foreach my $pair (@{$coercions}) {
-                #my ($constraint, $converter) = @$pair;
-                if ($pair->[0]->check($thing)) {
+           my($thing) = @_;
+           foreach my $pair (@{$coercions}) {
+                #my ($constraint, $converter) = @$pair;
+                if ($pair->[0]->check($thing)) {
                   local $_ = $thing;
                   return $pair->[1]->($thing);
-                }
-           }
-           return $thing;
+                }
+           }
+           return $thing;
         };
     }
     return;
@@ -185,10 +138,14 @@ sub check {
 sub coerce {
     my $self = shift;
 
+    my $coercion = $self->_compiled_type_coercion;
+    if(!$coercion){
+        Carp::confess("Cannot coerce without a type coercion");
+    }
+
     return $_[0] if $self->_compiled_type_constraint->(@_);
 
-    my $coercion = $self->_compiled_type_coercion;
-    return $coercion ? $coercion->(@_) : $_[0];
+    return  $coercion->(@_);
 }
 
 sub get_message {
@@ -259,7 +216,7 @@ Mouse::Meta::TypeConstraint - The Mouse Type Constraint metaclass
 
 =head1 VERSION
 
-This document describes Mouse version 0.40_03
+This document describes Mouse version 0.49
 
 =head1 DESCRIPTION