字符串拼接性能测试
// splicing_test.go package splicing import ( "strconv" "strings" "testing" ) func Str(str []string) string { var rst string for _, s := range str { rst += s } return rst } func BuilderStr(str []string) string { var builder strings.Builder for _, s := range str { builder.WriteString(s) } return builder.String() } func BenchmarkStr(b *testing.B) { srcStr := make([]string, 0, 100000) b.Run("Append-10000", func(b *testing.B) { for i := 0; i < 10000; i++ { srcStr = append(srcStr, strconv....