From be0e4a22abcef260e31e33ea22a3b08ab3e958ab Mon Sep 17 00:00:00 2001
From: Dean Sofer <ProLoser@users.noreply.github.com>
Date: Wed, 25 Apr 2018 13:56:44 -0700
Subject: [PATCH] Added negative truncation to helper function

This allows you to grab a truncated portion of a string from the end.
---
 template/helpers.go | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/template/helpers.go b/template/helpers.go
index 3c7a371..bd59acd 100644
--- a/template/helpers.go
+++ b/template/helpers.go
@@ -100,13 +100,18 @@ func isFailure(conditional bool, options *raymond.Options) string {
 }
 
 func truncate(s string, len int) string {
-	if utf8.RuneCountInString(s) <= len {
+	if utf8.RuneCountInString(s) <= int(math.Abs(float64(len))) {
 		return s
 	}
 
 	runes := []rune(s)
 
-	return string(runes[:len])
+	if len < 0 {
+ 		len = -len
+		return string(runes[len:])
+	} else {
+		return string(runes[:len])
+	}
 }
 
 func urlencode(options *raymond.Options) string {