Scroll to navigation

autobox::List::Util(3pm) User Contributed Perl Documentation autobox::List::Util(3pm)

NAME

autobox::List::Util - bring the List::Util functions to autobox

VERSION

Version 20090629

SYNOPSIS

"autobox::List::Util" brings all of the functions from List::Util to arrays as methods.

    use autobox::List::Util;
    my @array = qw/ foo bar baz /;
    print @array->first(sub { /ar/ }), "\n"; # "bar"
    print [5, 6, 3, 4]->max, "\n"; # 6
    print @array->maxstr, "\n"; # baz
    
    print [5, 6, 3, 4]->min, "\n"; # 3
    print @array->minstr, "\n"; # foo
    print [1 .. 10]->shuffle, "\n"; #1 to 10 randomly shuffled
    print [1 .. 10]->sum, "\n"; # 55
    print [1 .. 10]->reduce( sub { $a + $b } ), "\n"; # 55

METHODS

first(coderef)

This method behaves nearly the same as the first function from List::Util, but it takes a coderef not a block because methods can't use prototypes.

reduce(coderef)

This method behaves nearly the same as the reduce function from List::Util, but it takes a coderef not a block for the same reason. It also has a bug (see BUGS)

shuffle

If called in scalar context it returns a reference to an array instead of a list. This allows shuffle to be chained with other calls.

max, maxstr, min, minstr, sum

These methods behave exactly the same as their List::Util counterparts.

AUTHOR

Chas. J. Owens IV, "<chas.owens at gmail.com>"

BUGS

The reduce method works with $main::a and $main::b, not your current package's $a and $b, so you need to say

    print @array->reduce( sub { $main::a + $main::b } ), "\n";

if you are not in the main package. Reduce uses $_, so it doesn't suffer from this problem.

SUPPORT

You can find documentation for this module with the perldoc command.

    perldoc autobox::List::Util

You can also look for information at:

ACKNOWLEDGEMENTS

COPYRIGHT & LICENSE

Copyright 2009 Chas. J. Owens IV, all rights reserved.

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

2021-01-05 perl v5.32.0