refactor: use strings.Builder to improve performance (#537)

rifeplight · web-flow · commit 1ad1dc15dd38 · 2025-10-29T08:07:46.000-04:00
Signed-off-by: rifeplight &lt;rifeplight@outlook.com&gt;
diff --git a/cmd/grpcurl/grpcurl.go b/cmd/grpcurl/grpcurl.go
@@ -848,11 +848,11 @@ func main() {
 }
 
 func dumpTiming(td *timingData, lvl int) {
-	ind := ""
+	var ind strings.Builder
 	for x := 0; x < lvl; x++ {
-		ind += "  "
+		ind.WriteString("  ")
 	}
-	fmt.Printf("%s%s: %s\n", ind, td.Title, td.Value)
+	fmt.Printf("%s%s: %s\n", ind.String(), td.Title, td.Value)
 	for _, sd := range td.Sub {
 		dumpTiming(sd, lvl+1)
 	}

Original file line number	Diff line number	Diff line change
`@@ -848,11 +848,11 @@ func main() {`
`848`	`848`	`}`
`849`	`849`
`850`	`850`	`func dumpTiming(td *timingData, lvl int) {`
`851`		`- ind := ""`
	`851`	`+ var ind strings.Builder`
`852`	`852`	`for x := 0; x < lvl; x++ {`
`853`		`- ind += " "`
	`853`	`+ ind.WriteString(" ")`
`854`	`854`	`}`
`855`		`- fmt.Printf("%s%s: %s\n", ind, td.Title, td.Value)`
	`855`	`+ fmt.Printf("%s%s: %s\n", ind.String(), td.Title, td.Value)`
`856`	`856`	`for _, sd := range td.Sub {`
`857`	`857`	`dumpTiming(sd, lvl+1)`
`858`	`858`	`}`