package goutil

import "github.com/gookit/goutil/stdutil"

// FuncName get func name
func FuncName(f any) string {
	return stdutil.FuncName(f)
}

// Go is a basic promise implementation: it wraps calls a function in a goroutine
// and returns a channel which will later return the function's return value.
func Go(f func() error) error {
	ch := make(chan error)
	go func() {
		ch <- f()
	}()
	return <-ch
}

// ErrFunc type
type ErrFunc func() error

// CallOn call func on condition is true
func CallOn(cond bool, fn ErrFunc) error {
	if cond {
		return fn()
	}
	return nil
}

// CallOrElse call okFunc() on condition is true, else call elseFn()
func CallOrElse(cond bool, okFn, elseFn ErrFunc) error {
	if cond {
		return okFn()
	}
	return elseFn()
}