package util

import (
	"fmt"
	"os"
)

func GoWithRecover(handler func(), recoverHandler func(r interface{})) {
	if handler == nil {
		return
	}
	go func() {
		defer func() {
			if r := recover(); r != nil {
				if recoverHandler == nil {
					fmt.Fprintf(os.Stderr, "panic:\n %v\n", r)
					return
				}
				go func() {
					defer func() {
						if r := recover(); r != nil {
							fmt.Fprintf(os.Stderr, "panic:\n %v\n", r)
						}
					}()
					recoverHandler(r)
				}()
			}
		}()
		handler()
	}()
}