From: Lucas Bajolet <r4pass@hotmail.com>
Date: Tue, 8 Dec 2015 18:20:43 +0000 (-0500)
Subject: lib/core: Added shortcut for common ASCII-case in `find_beginning_of_char_at`
X-Git-Tag: v0.8~18^2~6
X-Git-Url: http://nitlanguage.org

lib/core: Added shortcut for common ASCII-case in `find_beginning_of_char_at`

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

diff --git a/lib/core/text/native.nit b/lib/core/text/native.nit
index fad3ae1..a8bbc4b 100644
--- a/lib/core/text/native.nit
+++ b/lib/core/text/native.nit
@@ -238,6 +238,7 @@ extern class NativeString `{ char* `}
 	fun find_beginning_of_char_at(pos: Int): Int do
 		var endpos = pos
 		var c = self[pos]
+		if c & 0x80u8 == 0x00u8 then return pos
 		while c & 0xC0u8 == 0x80u8 do
 			pos -= 1
 			c = self[pos]