[tor-commits] [goptlib/master] Use switch for keywordIsSafe.

[dcf at torproject.org]

commit 24207cb5ab5c782d70e29a837c8aeef8e01d61f5
Author: David Fifield <david at bamsoftware.com>
Date:   Mon Jun 26 16:48:59 2017 -0700

    Use switch for keywordIsSafe.
---
 pt.go | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/pt.go b/pt.go
index 6b0dd09..39e6aca 100644
--- a/pt.go
+++ b/pt.go
@@ -217,19 +217,18 @@ func getenvRequired(key string) (string, error) {
 // <KeywordChar> ::= <any US-ASCII alphanumeric, dash, and underscore>
 func keywordIsSafe(keyword string) bool {
 	for _, b := range []byte(keyword) {
-		if b >= '0' && b <= '9' {
+		switch {
+		case b >= '0' && b <= '9':
 			continue
-		}
-		if b >= 'A' && b <= 'Z' {
+		case b >= 'A' && b <= 'Z':
 			continue
-		}
-		if b >= 'a' && b <= 'z' {
+		case b >= 'a' && b <= 'z':
 			continue
-		}
-		if b == '-' || b == '_' {
+		case b == '-' || b == '_':
 			continue
+		default:
+			return false
 		}
-		return false
 	}
 	return true
 }