[类型检测](%E7%B1%BB%E5%9E%8B%E6%A3%80%E6%B5%8B.md) [四种标量类型](%E5%9B%9B%E7%A7%8D%E6%A0%87%E9%87%8F%E7%B1%BB%E5%9E%8B.md) [两种复合类型](%E4%B8%A4%E7%A7%8D%E5%A4%8D%E5%90%88%E7%B1%BB%E5%9E%8B.md) [两种特殊类型](%E4%B8%A4%E7%A7%8D%E7%89%B9%E6%AE%8A%E7%B1%BB%E5%9E%8B.md) [类型转换](%E7%B1%BB%E5%9E%8B%E8%BD%AC%E6%8D%A2.md)