Function to get current function's name in Golang.

get_function_name.go

package main

import (
	"fmt"
	"runtime"
)

func main() {
	myFunction()
}

func myFunction() {
	fmt.Println(GetFunctionName())
}

func GetFunctionName() string {
	x, _, _, _ := runtime.Caller(1)
	return fmt.Sprintf("%s()", runtime.FuncForPC(x).Name())
}