comment on

One way to silence the warnings is to disable them in a localized scope:

use warnings;
use strict;

use List::Util qw/reduce/;
{
    no warnings qw(once);
    print reduce { $a * $b } 1..6;
}
[download]

Update: added "once"

Update: Refer to the following discussion: https://rt.cpan.org/Public/Bug/Display.html?id=65629

In reply to Re: Name "main::a" used only once: possible typo by toolic
in thread Name "main::a" used only once: possible typo by szabgab

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		`&`
	<		`<`
	>		`>`
	[		`[`
	]		`]`

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.


Perl-Sensitive Sunglasses
	PerlMonks