Dave Rolsky > Type-0.04-TRIAL > Type::Constraint::ObjectDoes

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Module Version: 0.04   Source   Latest Release: Type-0.05-TRIAL

NAME ^

Type::Constraint::ObjectDoes - A class for constraints which require an object that does a specific role

VERSION ^

version 0.04

SYNOPSIS ^

  my $type = Type::Constraint::ObjectDoes->new(...);
  print $type->role();

DESCRIPTION ^

This is a specialized type constraint class for types which require an object that does a specific role.

API ^

This class provides all of the same methods as Type::Constraint::Simple, with a few differences:

Type::Constraint::ObjectDoes->new( ... )

The parent parameter is ignored if it passed, as it is always set to the Defined type.

The inline_generator and constraint parameters are also ignored. This class provides its own default inline generator subroutine reference.

This class overrides the message_generator default if none is provided.

Finally, this class requires an additional parameter, role. This must be a single role name.

$object_isa->role()

Returns the role name passed to the constructor.

ROLES ^

This class does the Type::Constraint::Role::DoesType, Type::Constraint::Role::Interface, Type::Role::Inlinable, and MooseX::Clone roles.

AUTHOR ^

Dave Rolsky <autarch@urth.org>

COPYRIGHT AND LICENSE ^

This software is Copyright (c) 2012 by Dave Rolsky.

This is free software, licensed under:

  The Artistic License 2.0 (GPL Compatible)
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