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| package main | |
| import ( | |
| "fmt" | |
| "log" | |
| "regexp" | |
| "runtime" | |
| ) | |
| func traceln(v ...interface{}) { | |
| pc, _, _, _ := runtime.Caller(1) | |
| fn := runtime.FuncForPC(pc) | |
| fno := regexp.MustCompile(`^.*\.(.*)$`) | |
| fnName := fno.ReplaceAllString(fn.Name(), "$1") | |
| m := fmt.Sprintln(v...) | |
| log.Println("["+fnName+"]", m) | |
| } | |
| func main() { | |
| traceln("Hello world!", 100, true, nil) | |
| } |