Method IsNoneOrNil

lua.go:1526–1526

IsNoneOrNil verifies that the value at index is either nil or invalid. http://www.lua.org/manual/5.2/manual.html#lua_isnonornil.

(index int)

//
// http://www.lua.org/manual/5.2/manual.html#lua_isnonornil.
func (l *State) IsNoneOrNil(index int) bool { return l.TypeOf(index) <= TypeNil }

// PushGlobalTable pushes the global environment onto the stack.
//