From: Lucas Bajolet <r4pass@hotmail.com>
Date: Fri, 7 Mar 2014 20:02:00 +0000 (-0500)
Subject: stdlib/strings: Fixed behaviour for substring_from, returns an empty string instead... 
X-Git-Tag: v0.6.5~7^2~3^2~9
X-Git-Url: http://nitlanguage.org

stdlib/strings: Fixed behaviour for substring_from, returns an empty string instead of crashing when from < 0.

Signed-off-by: Lucas Bajolet <r4pass@hotmail.com>
---

diff --git a/lib/standard/string.nit b/lib/standard/string.nit
index d416000..cbd6c09 100644
--- a/lib/standard/string.nit
+++ b/lib/standard/string.nit
@@ -169,7 +169,8 @@ abstract class Text
 	# As with substring, a `from` index < 0 will be replaced by 0
 	fun substring_from(from: Int): SELFTYPE
 	do
-		assert from < length
+		if from > self.length then return empty
+		if from < 0 then from = 0
 		return substring(from, length - from)
 	end