From: Lucas Bajolet <r4pass@hotmail.com>
Date: Fri, 27 Nov 2015 16:06:29 +0000 (-0500)
Subject: lib/core: Added `add_char` method to `Bytes`
X-Git-Tag: v0.8~74^2~2
X-Git-Url: http://nitlanguage.org

lib/core: Added `add_char` method to `Bytes`

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

diff --git a/lib/core/bytes.nit b/lib/core/bytes.nit
index 94d3d27..1efda33 100644
--- a/lib/core/bytes.nit
+++ b/lib/core/bytes.nit
@@ -155,6 +155,21 @@ class Bytes
 		length += 1
 	end
 
+	# Adds the UTF-8 representation of `c` to `self`
+	#
+	#     var b = new Bytes.empty
+	#     b.add_char('A')
+	#     b.add_char('キ')
+	#     assert b.hexdigest == "41E382AD"
+	fun add_char(c: Char) do
+		if persisted then regen
+		var cln = c.u8char_len
+		var ln = length
+		enlarge(ln + cln)
+		items.set_char_at(length, c)
+		length += cln
+	end
+
 	#     var b = new Bytes.empty
 	#     b.append([104u8, 101u8, 108u8, 108u8, 111u8])
 	#     assert b.to_s == "hello"