section: preallocate the size of keys hash (#297)

unknwon · web-flow · commit b52868c71b57 · 2021-09-04T14:18:47.000+08:00
diff --git a/section.go b/section.go
@@ -217,7 +217,7 @@ func (s *Section) KeysHash() map[string]string {
 		defer s.f.lock.RUnlock()
 	}
 
-	hash := map[string]string{}
+	hash := make(map[string]string, len(s.keysHash))
 	for key, value := range s.keysHash {
 		hash[key] = value
 	}

Original file line number	Diff line number	Diff line change
`@@ -217,7 +217,7 @@ func (s *Section) KeysHash() map[string]string {`
`217`	`217`	`defer s.f.lock.RUnlock()`
`218`	`218`	`}`
`219`	`219`
`220`		`- hash := map[string]string{}`
	`220`	`+ hash := make(map[string]string, len(s.keysHash))`
`221`	`221`	`for key, value := range s.keysHash {`
`222`	`222`	`hash[key] = value`
`223`	`223`	`}`