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Man Pages


Manual Reference Pages  -  ACCESSORS::FAST (3)

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NAME

accessors::fast - Compiletime accessors using Class::Accessor::Fast

CONTENTS

VERSION

Version 0.03

SYNOPSIS



        package My::Simple::Package;
        use accessors::fast qw(field1 field2);
       
        # constructor is private, redefine only init;
        sub init {
                my $self = shift;
                my %args = @_;
                $self->field1($args{arg1});
        }
       
        package main;
        my $o = My::Simple::Package->new( arg1 => some value );
        print $o->field1; # some value
       
        for ($o->field_list) {
                printf "object have field %s with value %s\n", $_, $o->$_;
        }



DESCRIPTION

This module was created as an alternative to use fields, and uses Class::Accessor::Fast as a base

Creates accessors at compiletime

Have own default new method: it creates object as a blessed hash, then locks keys to defined field list, and invoke init. So, recommended usage inside packages, is access by hash keys (it’s 3 times faster then accessor). Since keys are locked, you will not suffer from autovivification. Public interface recommended to be documented as accessors.

Uses Class::C3

METHODS

All methods inherited from Class::Accessors::Fast. Own methods defined below

    new( ARGS )

Creates blessed hash, locks it keys to current fields of this package, and invoke init method with ARGS

    init( ARGS )

Recommended to redefine in subclasses. Will be invoked by inherited new

    field_list

Since this module keeps information about object fields, it can return it.



        for ($o->field_list) {
                printf "%s: %s\n",$_,$o->$_;
        }



FEATURES

This module uses constant::def, so it behaviour could be affected by constant::abs

    TIE [ = 0 ]

Use tied hash, instead of Hash::Util::lock_keys. Much more slower, but could help during development.

Could be enabled by



        # your main program/main.pl
        use constant::abs accessors::fast::TIE => 1;



    CONFESS [ = 0 ]

use Carp::confess instead of croak on error conditions

Could be enabled by



        # your main program/main.pl
        use constant::abs accessors::fast::CONFESS => 1;



    warnings

This module uses warnings::register. So, warnings from it could be disabled by



        no warnings accessors::fast;



BUGS

None known

COPYRIGHT & LICENSE

Copyright 2009 Mons Anderson.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

AUTHOR

Mons Anderson, <mons@cpan.org>
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perl v5.20.3 ACCESSORS::FAST (3) 2009-09-02

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