[12.1 泛型设计的演进](12.1%E6%B3%9B%E5%9E%8B%E8%AE%BE%E8%AE%A1%E7%9A%84%E6%BC%94%E8%BF%9B.md) [12.2 基于合约的泛型](12.2%E5%9F%BA%E4%BA%8E%E5%90%88%E7%BA%A6%E7%9A%84%E6%B3%9B%E5%9E%8B.md) [12.3 类型检查技术](12.3%E7%B1%BB%E5%9E%8B%E6%A3%80%E6%9F%A5%E6%8A%80%E6%9C%AF.md) [12.4 泛型的未来](12.4%E6%B3%9B%E5%9E%8B%E7%9A%84%E6%9C%AA%E6%9D%A5.md) [12.5 进一步阅读的的参考文献](12.5%E8%BF%9B%E4%B8%80%E6%AD%A5%E9%98%85%E8%AF%BB%E7%9A%84%E7%9A%84%E5%8F%82%E8%80%83%E6%96%87%E7%8C%AE.md)