From: Luigi Riefolo <luigi.riefolo@gmail.com>
Date: Tue, 27 Sep 2016 01:02:40 +0000 (+0200)
Subject: go/doc: add IsPredeclared function
X-Git-Tag: go1.8beta1~1136
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=54a72d90f62030034f03cacbac1d1ec02c0444c6;p=gostls13.git

go/doc: add IsPredeclared function

IsPredeclared allows simplifying src/golang.org/x/tools/godoc/linkify.go

Change-Id: I56b3223896f844630bc2e940255572d1682f0d06
Reviewed-on: https://go-review.googlesource.com/29870
Reviewed-by: Robert Griesemer <gri@golang.org>
---

diff --git a/src/go/doc/reader.go b/src/go/doc/reader.go
index e4e7b7c1c7..c09f24d616 100644
--- a/src/go/doc/reader.go
+++ b/src/go/doc/reader.go
@@ -809,6 +809,11 @@ func noteBodies(notes []*Note) []string {
 // ----------------------------------------------------------------------------
 // Predeclared identifiers
 
+// IsPredeclared reports whether s is a predeclared identifier.
+func IsPredeclared(s string) bool {
+	return predeclaredTypes[s] || predeclaredFuncs[s] || predeclaredConstants[s]
+}
+
 var predeclaredTypes = map[string]bool{
 	"bool":       true,
 	"byte":       true,