Function upValueHelper

debug.go:393–404

(f func(*State, int, int) (string, bool), returnValueCount int)

}

func upValueHelper(f func(*State, int, int) (string, bool), returnValueCount int) Function {
	return func(l *State) int {
		CheckType(l, 1, TypeFunction)
		name, ok := f(l, 1, CheckInteger(l, 2))
		if !ok {
			return 0
		}
		l.PushString(name)
		l.Insert(-returnValueCount)
		return returnValueCount
	}
}

func (l *State) checkUpValue(f, upValueCount int) int {
	n := CheckInteger(l, upValueCount)