From 1cf492e9a7420f613fee280c789f637af9b1b9c1 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sun, 1 Nov 2015 02:58:12 +0100
Subject: [PATCH] termcol: pass parameter to rgb formula

Accidentally used default argument $_ which works in map but isn't safe.
---
 termcol.plp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/termcol.plp b/termcol.plp
index 18593ab..a930698 100644
--- a/termcol.plp
+++ b/termcol.plp
@@ -229,7 +229,7 @@ for my $term (@termlist) {
 <h2>88-colour space</h2>
 <:
 print coltable_hsv(4,
-	sub {(0, 139, 205, 255)[$_]},
+	sub {(0, 139, 205, 255)[$_[0]]},
 	[map { ($_ + 2 + ($_>0)) * 255/11 } 0 .. 7],
 );
 
@@ -255,7 +255,7 @@ sub coltable_hsv {
 		for my $g (0 .. $dim - 1) {
 			for my $b (0 .. $dim - 1) {
 				my $index = $r*$dim*$dim + $g*$dim + $b + $offset;
-				my @rgb = map { &$rgbval } $r, $g, $b;
+				my @rgb = map { $rgbval->($_) } $r, $g, $b;
 
 				my $h = Shiar_Sheet::Colour->new(@rgb)->hue * $hmax;
 				my $v = int(max(@rgb) / 255 * $vmax);
@@ -299,7 +299,7 @@ sub coltable_hsv {
 }
 
 print coltable_hsv(6,
-	sub { $_ && $_*40 + 55 },
+	sub { $_[0] && $_[0]*40 + 55 },
 	[ map { $_ * 10 + 8 } 0 .. 23 ],
 );
 :></div>
-- 
2.30.0