perf(util): use string concat for FormatSize

marjune163 · marjune163 · commit 7d4414573d8a · 2020-01-23T16:22:51.000+08:00
diff --git a/src/util/formatSize.go b/src/util/formatSize.go
@@ -1,7 +1,6 @@
 package util
 
 import (
-	"bytes"
 	"strconv"
 )
 
@@ -22,11 +21,7 @@ func fmtUnit(unitName string, unitValue int64, srcValue int64) string {
 		prefix++
 	}
 
-	buffer := &bytes.Buffer{}
-	buffer.WriteString(strconv.Itoa(prefix))
-	buffer.WriteString(unitName)
-
-	return buffer.String()
+	return strconv.Itoa(prefix) + unitName
 }
 
 func FormatSize(size int64) string {

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,6 @@`
`1`	`1`	`package util`
`2`	`2`
`3`	`3`	`import (`
`4`		`- "bytes"`
`5`	`4`	`"strconv"`
`6`	`5`	`)`
`7`	`6`
`@@ -22,11 +21,7 @@ func fmtUnit(unitName string, unitValue int64, srcValue int64) string {`
`22`	`21`	`prefix++`
`23`	`22`	`}`
`24`	`23`
`25`		`- buffer := &bytes.Buffer{}`
`26`		`- buffer.WriteString(strconv.Itoa(prefix))`
`27`		`- buffer.WriteString(unitName)`
`28`		`-`
`29`		`- return buffer.String()`
	`24`	`+ return strconv.Itoa(prefix) + unitName`
`30`	`25`	`}`
`31`	`26`
`32`	`27`	`func FormatSize(size int64) string {`