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Manual Reference Pages  -  SPECIO::CONSTRAINT::OBJECTDOES (3)

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NAME

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

CONTENTS

VERSION

version 0.12

SYNOPSIS



    my $type = Specio::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 Specio::Constraint::Simple, with a few differences:

    Specio::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.

CW$object_isa->role()

Returns the role name passed to the constructor.

ROLES

This class does the Specio::Constraint::Role::DoesType, Specio::Constraint::Role::Interface, and Specio::Role::Inlinable roles.

AUTHOR

Dave Rolsky <autarch@urth.org>

COPYRIGHT AND LICENSE

This software is Copyright (c) 2015 by Dave Rolsky.

This is free software, licensed under:



  The Artistic License 2.0 (GPL Compatible)



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perl v5.20.3 SPECIO::CONSTRAINT::OBJECTDOES (3) 2015-12-19

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