From 1d61c9bb3e41947ab66732d0346b821d5062554c Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@golang.org>
Date: Tue, 30 Oct 2012 10:51:29 +0100
Subject: [PATCH] io: add ByteWriter interface

API change.

R=golang-dev, dsymonds, nigeltao, rsc, r
CC=golang-dev
https://golang.org/cl/6760045
---
 src/pkg/io/io.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/pkg/io/io.go b/src/pkg/io/io.go
index 5187eff70a..bddb701786 100644
--- a/src/pkg/io/io.go
+++ b/src/pkg/io/io.go
@@ -216,6 +216,11 @@ type ByteScanner interface {
 	UnreadByte() error
 }
 
+// ByteWriter is the interface that wraps the WriteByte method.
+type ByteWriter interface {
+	WriteByte(c byte) error
+}
+
 // RuneReader is the interface that wraps the ReadRune method.
 //
 // ReadRune reads a single UTF-8 encoded Unicode character
-- 
2.48.1