if ( blessed $type and $type->isa("Moose::Meta::TypeConstraint") ) {
return $type;
- }
+ }
else {
return unless $REGISTRY->has_type_constraint($type);
return $REGISTRY->get_type_constraint($type);
sub create_enum_type_constraint ($$) {
my ( $type_name, $values ) = @_;
-
+
Moose::Meta::TypeConstraint::Enum->new(
name => $type_name || '__ANON__',
values => $values,
# FIXME should probably not be a special case
if ( defined $parent and $parent = find_or_parse_type_constraint($parent) ) {
- $class = "Moose::Meta::TypeConstraint::Parameterizable"
+ $class = "Moose::Meta::TypeConstraint::Parameterizable"
if $parent->isa("Moose::Meta::TypeConstraint::Parameterizable");
}
type 'Num' => where { Scalar::Util::looks_like_number($_) };
subtype 'Natural'
- => as 'Num'
+ => as 'Int'
=> where { $_ > 0 };
subtype 'NaturalLessThanTen'
inference is performed, expression are not typed, etc. etc. etc.
This is simply a means of creating small constraint functions which
-can be used to simplify your own type-checking code, with the added
+can be used to simplify your own type-checking code, with the added
side benefit of making your intentions clearer through self-documentation.
=head2 Slightly Less Important Caveat
=head2 Default Type Constraints
-This module also provides a simple hierarchy for Perl 5 types, here is
+This module also provides a simple hierarchy for Perl 5 types, here is
that hierarchy represented visually.
Any
Maybe[Str] # value may be a string, may be undefined
B<NOTE:> Unless you parameterize a type, then it is invalid to
-include the square brackets. I.e. C<ArrayRef[]> will be
+include the square brackets. I.e. C<ArrayRef[]> will be
literally interpreted as a type name.
B<NOTE:> The C<Undef> type constraint for the most part works
this type constraint to pass. I know this is not ideal for all,
but it is a saner restriction than most others.
-=head2 Type Constraint Naming
+=head2 Type Constraint Naming
-Since the types created by this module are global, it is suggested
-that you namespace your types just as you would namespace your
+Since the types created by this module are global, it is suggested
+that you namespace your types just as you would namespace your
modules. So instead of creating a I<Color> type for your B<My::Graphics>
module, you would call the type I<My::Graphics::Color> instead.
-keys => HasLength,
-values => IsArrayRef( IsObject ));
-For more examples see the F<t/200_examples/204_example_w_DCS.t>
+For more examples see the F<t/200_examples/204_example_w_DCS.t>
test file.
Here is an example of using L<Test::Deep> and it's non-test
})))
};
-For a complete example see the
+For a complete example see the
F<t/200_examples/205_example_w_TestDeep.t> test file.
=head1 FUNCTIONS
=item B<where>
-This is just sugar for the type constraint construction syntax.
+This is just sugar for the type constraint construction syntax.
Takes a block/code ref as an argument. When the type constraint is
tested, the supplied code is run with the value to be tested in