NAME
    DateTime::Format::Duration::ISO8601 - Format DateTime::Duration object
    as ISO8601 duration string

VERSION
    This document describes version 0.005 of
    DateTime::Format::Duration::ISO8601 (from Perl distribution
    DateTime-Format-Duration-ISO8601), released on 2017-08-02.

SYNOPSIS
     use DateTime::Format::Duration::ISO8601;

     my $format = DateTime::Format::Duration::ISO8601->new;
     say $format->format_duration(
         DateTime::Duration->new(years=>3, months=>5, seconds=>10),
     ); # => P3Y5MT10S

     my $d = $format->parse_duration('P1Y1M1DT1H1M1S');
     say $d->in_units('minutes'); # => 61

DESCRIPTION
    This module formats and parses ISO 8601 durations to and from
    DateTime::Duration instances.

    ISO 8601 intervals are not supported.

METHODS
  new(%args) => "DateTime::Duration::Format::ISO8601"
   Arguments
    *   on_error ("CODE", optional)

        Subroutine reference that will receive an error message if parsing
        fails.

        The default implementation simply "die"s with the message.

        Set to "undef" to disable error dispatching.

  format_duration ("DateTime::Duration") => "string"
  parse_duration ("string") => "DateTime::Duration"
HOMEPAGE
    Please visit the project's homepage at
    <https://metacpan.org/release/DateTime-Format-Duration-ISO8601>.

SOURCE
    Source repository is at
    <https://github.com/perlancar/perl-DateTime-Format-Duration-ISO8601>.

BUGS
    Please report any bugs or feature requests on the bugtracker website
    <https://rt.cpan.org/Public/Dist/Display.html?Name=DateTime-Format-Durat
    ion-ISO8601>

    When submitting a bug or request, please include a test-file or a patch
    to an existing test-file that illustrates the bug or desired feature.

SEE ALSO
    DateTime::Format::ISO8601 to format DateTime object into ISO8601
    date/time string. At the time of this writing, there is no support to
    format DateTime::Duration object, hence this module.

    DateTime::Format::Duration to format DateTime::Duration object using
    strftime-style formatting.

AUTHOR
    perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE
    This software is copyright (c) 2017, 2016 by perlancar@cpan.org.

    This is free software; you can redistribute it and/or modify it under
    the same terms as the Perl 5 programming language system itself.

