Iterador


SYNOPSIS

    use Iterador;
    my $iter = Iterador->new( \@my_data );
    while (my $token = $iter->next()) {
        1;
    }

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DESCRIPTION

El módulo Iterador crea un objeto que permite iterar sobre una lista de valores.

Es un trabajo derivado de the Basicos::Base::Iterador manpage y está pensado, inicialmente, para usar una tabla en memoria como fuente.

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SUBRUTINES/METHODS

current

Retorna el elemento actual del iterador.

first

Retorna el primer elemento del iterador.

getall

Retorna todos los elementos del iterador, en orden ascendente.

goto

Posiciona el iterador en el enésimo elemento.

last

Retorna el último elemento del iterador.

new

next

Retorna el siguiente elemento ó un valor nulo si no hay más.

prev

Retorna el elemento anterior ó un valor nulo si el iterador está en el primero.

reset

Reinicializa el iterador volviendo al valor inicial.

size

Retorna el tamaño de la lista de datos en número de elementos.

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DIAGNOSTICS

A list of every error and warning message that the module can generate.

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CONFIGURATION AND ENVIRONMENT

A full explanation of any configuration system(s) used by the module, including the names and locations of any configuration files, and the meaning of any environment variables or properties that can be set. These descriptions must also include details of any configuration language used.

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DEPENDENCIES

A list of all the other modules that this module relies upon, including any restrictions on versions, and an indication of whether these required modules are part of the standard Perl distribution, part of the module's distribution, or must be installed separately.

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INCOMPATIBILITIES

A list of any modules that this module cannot be used in conjunction with. This may be due to name conflicts in the interface, or competition for system or program resources, or due to internal limitations of Perl (for example, many modules that use source code filters are mutually incompatible).

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BUGS AND LIMITATIONS

There are no known bugs in this module. Please report problems to <Maintainer name(s)> (<contact address>). Patches are welcome.

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AUTHOR

Víctor Moral <victor@taquiones.net>, Angel Ortega <angel@triptico.com>

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LICENCE AND COPYRIGHT

Copyright (c) 2005 <Venexma Europa, S.L.>. All rights reserved.

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

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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 Iterador