From: Robert Griesemer <gri@golang.org>
Date: Tue, 27 Nov 2012 01:17:49 +0000 (-0800)
Subject: go/ast: minor cleanup
X-Git-Tag: go1.1rc2~1776
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=bb7c3c680323a019d7e6cfa6a8eb291e676524e3;p=gostls13.git

go/ast: minor cleanup

It's better to use IsValid() then checking a (possibly
partially set up) position against NoPos directly.

R=dsymonds
CC=golang-dev
https://golang.org/cl/6855099
---

diff --git a/src/pkg/go/ast/import.go b/src/pkg/go/ast/import.go
index 2d4f69aaea..a68a4840f8 100644
--- a/src/pkg/go/ast/import.go
+++ b/src/pkg/go/ast/import.go
@@ -20,7 +20,7 @@ func SortImports(fset *token.FileSet, f *File) {
 			break
 		}
 
-		if d.Lparen == token.NoPos {
+		if !d.Lparen.IsValid() {
 			// Not a block: sorted by default.
 			continue
 		}