NAME

List::AllUtils::Null - List subroutines that treat undef as contagious unknown, like null in SQL

VERSION

This document describes version 0.004 of List::AllUtils::Null (from Perl distribution List-AllUtils-Null), released on 2021-07-05.

SYNOPSIS

use List::AllUtils::Null qw(
    max maxstr min minstr
    sum
);

say max(1,2,3,4,5);     # => 5
say max(1,2,undef,4,5); # => undef

say min(1,2,3,4,5);     # => 1
say min(1,2,undef,4,5); # => undef

say sum(1,2,3,4,5);     # => 15
say sum(1,2,undef,4,5); # => undef

DESCRIPTION

Keywords: monadic zero.

FUNCTIONS

max

maxstr

min

minstr

sum

HOMEPAGE

Please visit the project's homepage at https://metacpan.org/release/List-AllUtils-Null.

SOURCE

Source repository is at https://github.com/perlancar/perl-List-AllUtils-Null.

BUGS

Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=List-AllUtils-Null

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

Your favorite SQL reference.

List::Util and friends (List::SomeUtils, List::UtilsBy, List::MoreUtils, List::AllUtils).

List::AllUtils::ContainsNull

AUTHOR

perlancar <perlancar@cpan.org>

COPYRIGHT AND LICENSE

This software is copyright (c) 2021 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.