From 342da0b563b4c92453da0fb6930f6f57ef0e9fe1 Mon Sep 17 00:00:00 2001
From: yamadapc <tacla.yamada@gmail.com>
Date: Sat, 12 Jul 2014 20:02:27 -0300
Subject: [PATCH] Use a generic function for the `colorHelper`.

Instead of using a template. This is cleaner; I don't know why it didn't
come to my mind. I'm not sure if it's possible to make it work while
using the private specifier.
---
 source/colorize.d | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/source/colorize.d b/source/colorize.d
index 215bfb7..23daa03 100644
--- a/source/colorize.d
+++ b/source/colorize.d
@@ -96,17 +96,15 @@ unittest
   assert(ret == "\033[5;31;44mThis is red on blue blinking\033[0m");
 }
 
-private template colorHelper(T)
+string colorHelper(T)(const string str, const T t=T.init)
+if(is(T : fg) || is(T : bg) || is(T : mode))
 {
-  string fn(const string str, const T t=T.init)
-  {
-    return format("\033[%dm%s\033[0m", t, str);
-  }
+  return format("\033[%dm%s\033[0m", t, str);
 }
 
-alias colorHelper!bg.fn background;
-alias colorHelper!fg.fn foreground;
-alias colorHelper!mode.fn style;
+alias colorHelper!bg background;
+alias colorHelper!fg foreground;
+alias colorHelper!mode style;
 
 unittest
 {