NAME
Moose::Meta::TypeConstraint::DuckType - Type constraint for duck typing
VERSION
version 2.0602
DESCRIPTION
This class represents type constraints based on an enumerated list of required methods.
INHERITANCE
Moose::Meta::TypeConstraint::DuckType
is a subclass of Moose::Meta::TypeConstraint.
METHODS
- Moose::Meta::TypeConstraint::DuckType->new(%options)
-
This creates a new duck type constraint based on the given
%options
.It takes the same options as its parent, with several exceptions. First, it requires an additional option,
methods
. This should be an array reference containing a list of required method names. Second, it automatically sets the parent to theObject
type.Finally, it ignores any provided
constraint
option. The constraint is generated automatically based on the providedmethods
. - $constraint->methods
-
Returns the array reference of required methods provided to the constructor.
- $constraint->create_child_type
-
This returns a new Moose::Meta::TypeConstraint object with the type as its parent.
Note that it does not return a
Moose::Meta::TypeConstraint::DuckType
object!
BUGS
See "BUGS" in Moose for details on reporting bugs.
AUTHOR
Moose is maintained by the Moose Cabal, along with the help of many contributors. See "CABAL" in Moose and "CONTRIBUTORS" in Moose for details.
COPYRIGHT AND LICENSE
This software is copyright (c) 2012 by Infinity Interactive, Inc..
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.