From: Russ Cox <rsc@golang.org>
Date: Wed, 18 Jul 2018 20:20:19 +0000 (-0400)
Subject: cmd/go/internal/str: simplify HasPathPrefix by epsilon
X-Git-Tag: go1.11beta2~27
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=eec9a895600891c4a05c85e0f41f65275eb356de;p=gostls13.git

cmd/go/internal/str: simplify HasPathPrefix by epsilon

Pointed out in CL 122396.
An empty prefix has already been handled above.

Change-Id: Ib94df0a9c8c0517f932b90126232111caa9ad289
Reviewed-on: https://go-review.googlesource.com/124797
Reviewed-by: Bryan C. Mills <bcmills@google.com>
---

diff --git a/src/cmd/go/internal/str/path.go b/src/cmd/go/internal/str/path.go
index 65cd639436..a9b4d759a6 100644
--- a/src/cmd/go/internal/str/path.go
+++ b/src/cmd/go/internal/str/path.go
@@ -19,7 +19,7 @@ func HasPathPrefix(s, prefix string) bool {
 		return true
 	}
 	if len(s) > len(prefix) {
-		if prefix != "" && prefix[len(prefix)-1] == '/' || s[len(prefix)] == '/' {
+		if prefix[len(prefix)-1] == '/' || s[len(prefix)] == '/' {
 			return s[:len(prefix)] == prefix
 		}
 	}