Parameter passing to function with void * as Argument Post: 302903247

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moose::meta::typeconstraint::union

Moose::Meta::TypeConstraint::Union(3)			User Contributed Perl Documentation		     Moose::Meta::TypeConstraint::Union(3)

NAME

       Moose::Meta::TypeConstraint::Union - A union of Moose type constraints

VERSION

       version 2.0604

DESCRIPTION

       This metaclass represents a union of type constraints. A union takes multiple type constraints, and is true if any one of its member
       constraints is true.

INHERITANCE

       "Moose::Meta::TypeConstraint::Union" is a subclass of Moose::Meta::TypeConstraint.

       Moose::Meta::TypeConstraint::Union->new(%options)
	   This creates a new class type constraint based on the given %options.

	   It takes the same options as its parent. It also requires an additional option, "type_constraints". This is an array reference
	   containing the Moose::Meta::TypeConstraint objects that are the members of the union type. The "name" option defaults to the names all
	   of these member types sorted and then joined by a pipe (|).

	   The constructor sets the implementation of the constraint so that is simply calls "check" on the newly created object.

	   Finally, the constructor also makes sure that the object's "coercion" attribute is a Moose::Meta::TypeCoercion::Union object.

       $constraint->type_constraints
	   This returns the array reference of "type_constraints" provided to the constructor.

       $constraint->parent
	   This returns the nearest common ancestor of all the components of the union.

       $constraint->check($value)
       $constraint->validate($value)
	   These two methods simply call the relevant method on each of the member type constraints in the union. If any type accepts the value,
	   the value is valid.

	   With "validate" the error message returned includes all of the error messages returned by the member type constraints.

       $constraint->equals($type_name_or_object)
	   A type is considered equal if it is also a union type, and the two unions have the same member types.

       $constraint->find_type_for($value)
	   This returns the first member type constraint for which "check($value)" is true, allowing you to determine which of the Union's member
	   type constraints a given value matches.

       $constraint->is_a_type_of($type_name_or_object)
	   This returns true if all of the member type constraints return true for the "is_a_type_of" method.

       $constraint->is_subtype_of
	   This returns true if all of the member type constraints return true for the "is_a_subtype_of" method.

       $constraint->create_child_type(%options)
	   This returns a new Moose::Meta::TypeConstraint object with the type as its parent.

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.

perl v5.16.2							    2012-09-19				     Moose::Meta::TypeConstraint::Union(3)