From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sun, 15 Nov 2009 03:38:11 +0000 (+0100)
Subject: limit $offset scope
X-Git-Url: http://git.shiar.net/perl/list-index.git/commitdiff_plain/12c2437bb737f40da7d7514fc31c641ef0110cf3

limit $offset scope
---

diff --git a/lib/List/Index.pm b/lib/List/Index.pm
index e67e5ae..f703d97 100644
--- a/lib/List/Index.pm
+++ b/lib/List/Index.pm
@@ -23,11 +23,11 @@ sub ranges {
 	my $pages    = $options->{pages   } || 1 + int $#$self / $pagesize;
 
 	$pagesize = $pages >= $#$self ? 1 : @$self / $pages;
-	my $offset = $pagesize + .5;
 	my $lookbehind = -$context;
 	my $lookahead  =  $context;
+
 	my @links = ('');
-	while ($offset < @$self) {
+	for (my $offset = $pagesize + .5; $offset < @$self; $offset += $pagesize) {
 		my $link = substr $self->[$offset], 0, $length;
 		if ($context) {
 			my $penalty = 0;
@@ -75,7 +75,6 @@ sub ranges {
 		}
 
 		push @links, $link;
-		$offset += $pagesize;
 	}
 
 	use List::MoreUtils 'uniq';