From 8457afbe0050f4223e105cb4d1ad4938b8f12db7 Mon Sep 17 00:00:00 2001
From: Robert Griesemer <gri@golang.org>
Date: Thu, 18 Apr 2013 14:36:08 -0700
Subject: [PATCH] builtin: document true and false.

Fixes #5315.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/8841048
---
 src/pkg/builtin/builtin.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pkg/builtin/builtin.go b/src/pkg/builtin/builtin.go
index d3c1a5c55a..128a1b5f8f 100644
--- a/src/pkg/builtin/builtin.go
+++ b/src/pkg/builtin/builtin.go
@@ -13,6 +13,12 @@ package builtin
 // bool is the set of boolean values, true and false.
 type bool bool
 
+// true and false are the two untyped boolean values.
+const (
+	true  = 0 == 0 // Untyped bool.
+	false = 0 != 0 // Untyped bool.
+)
+
 // uint8 is the set of all unsigned 8-bit integers.
 // Range: 0 through 255.
 type uint8 uint8
-- 
2.30.9