X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FMeta%2FTypeConstraint.pm;h=bac571a94e45b304d434c4be8c1a9cb1ed7f2296;hb=e462f6f3d260687b8f7372b112a50c5c2a2c431c;hp=b1d2249c5e974087bde9bf400426f41ce8c4afaf;hpb=eae0508f6f8fca847956c2ed8c48ec23cebd3106;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Meta/TypeConstraint.pm b/lib/Moose/Meta/TypeConstraint.pm
index b1d2249..bac571a 100644
--- a/lib/Moose/Meta/TypeConstraint.pm
+++ b/lib/Moose/Meta/TypeConstraint.pm
@@ -13,7 +13,7 @@ use Sub::Name qw(subname);
 
 use base qw(Class::MOP::Object);
 
-our $VERSION   = '0.81';
+our $VERSION   = '1.05';
 $VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
@@ -104,6 +104,16 @@ sub validate {
     }
 }
 
+sub assert_valid {
+    my ($self, $value) = @_;
+
+    my $error = $self->validate($value);
+    return 1 if ! defined $error;
+
+    require Moose;
+    Moose->throw_error($error);
+}
+
 sub get_message {
     my ($self, $value) = @_;
     if (my $msg = $self->message) {
@@ -112,7 +122,7 @@ sub get_message {
     }
     else {
         $value = (defined $value ? overload::StrVal($value) : 'undef');
-        return "Validation failed for '" . $self->name . "' failed with value $value";
+        return "Validation failed for '" . $self->name . "' with value $value";
     }
 }
 
@@ -138,7 +148,7 @@ sub equals {
         return if $other->has_parent;
     }
 
-    return 1;
+    return;
 }
 
 sub is_a_type_of {
@@ -301,7 +311,7 @@ Moose::Meta::TypeConstraint - The Moose Type Constraint metaclass
 =head1 DESCRIPTION
 
 This class represents a single type constraint. Moose's built-in type
-constraints, as well as constraints you define, are all store in a
+constraints, as well as constraints you define, are all stored in a
 L<Moose::Meta::TypeConstraint::Registry> object as objects of this
 class.
 
@@ -385,6 +395,13 @@ method returns an explicit C<undef>. If the type is not valid, we call
 C<< $self->get_message($value) >> internally to generate an error
 message.
 
+=item B<< $constraint->assert_valid($value) >>
+
+Like C<check> and C<validate>, this method checks whether C<$value> is
+valid under the constraint.  If it is, it will return true.  If it is not,
+an exception will be thrown with the results of
+C<< $self->get_message($value) >>.
+
 =item B<< $constraint->name >>
 
 Returns the type's name, as provided to the constructor.
@@ -449,9 +466,7 @@ behavior and change how child types are created.
 
 =head1 BUGS
 
-All complex software has bugs lurking in it, and this module is no
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
+See L<Moose/BUGS> for details on reporting bugs.
 
 =head1 AUTHOR
 
@@ -459,7 +474,7 @@ Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2006-2009 by Infinity Interactive, Inc.
+Copyright 2006-2010 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>