From: Rob Pike <r@golang.org>
Date: Tue, 26 Mar 2013 18:05:06 +0000 (-0700)
Subject: builtin: add linkable-to declarations for iota and nil
X-Git-Tag: go1.1rc2~325
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=02b755081764bd1cc36e5e7af2d485f5bc9cabe3;p=gostls13.git

builtin: add linkable-to declarations for iota and nil
Aids godoc.

R=golang-dev, gri, bradfitz
CC=golang-dev
https://golang.org/cl/7992044
---

diff --git a/src/pkg/builtin/builtin.go b/src/pkg/builtin/builtin.go
index 7b5e9ab1d6..d3c1a5c55a 100644
--- a/src/pkg/builtin/builtin.go
+++ b/src/pkg/builtin/builtin.go
@@ -85,6 +85,15 @@ type byte byte
 // used, by convention, to distinguish character values from integer values.
 type rune rune
 
+// iota is a predeclared identifier representing the untyped integer ordinal
+// number of the current const specification in a (usually parenthesized)
+// const declaration. It is zero-indexed.
+const iota = 0 // Untyped int.
+
+// nil is a predeclared identifier representing the zero value for a
+// pointer, channel, func, interface, map, or slice type.
+var nil Type // Type must be a pointer, channel, func, interface, map, or slice type
+
 // Type is here for the purposes of documentation only. It is a stand-in
 // for any Go type, but represents the same type for any given function
 // invocation.