X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FUtil%2FTypeConstraints.pm;h=3289de68cea2d06c103fcef628c145122a93ec5e;hb=35ce550a1ba037da13228f2bbb8306e101d263d5;hp=ef8bd2faee1bae1407a0f2fd1afa19cfc1f463d6;hpb=0a3d3fdbd1870409592ef689f926e02d3359cf55;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Util/TypeConstraints.pm b/lib/Mouse/Util/TypeConstraints.pm
index ef8bd2f..3289de6 100644
--- a/lib/Mouse/Util/TypeConstraints.pm
+++ b/lib/Mouse/Util/TypeConstraints.pm
@@ -17,6 +17,7 @@ Mouse::Exporter->setup_import_methods(
         coerce
 
         find_type_constraint
+        register_type_constraint
     )],
 );
 
@@ -367,6 +368,16 @@ sub find_type_constraint {
     return $TYPE{$spec};
 }
 
+sub register_type_constraint {
+    my($constraint) = @_;
+    Carp::croak("No type supplied / type is not a valid type constraint")
+        unless Mouse::Util::is_a_type_constraint($constraint);
+    my $name = $constraint->name;
+    Carp::croak("can't register an unnamed type constraint")
+        unless defined $name;
+    return $TYPE{$name} = $constraint;
+}
+
 sub find_or_parse_type_constraint {
     my($spec) = @_;
     return $spec if Mouse::Util::is_a_type_constraint($spec);