jtyoui.data.genericity 源代码

#!/usr/bin/python3.7
# -*- coding: utf-8 -*-
# @Time  : 2019/4/7 13:20
# @Author: Jtyoui@qq.com
import functools


@functools.singledispatch
def fun_generic(*args, **kwargs):
    """自定义泛型类型"""
    pass


@functools.singledispatch
def overwrite(func):
    """自定义泛型类型"""

    @functools.wraps
    def wraps(*args, **kwargs):
        func(*args, **kwargs)

    return wraps


if __name__ == '__main__':
    @fun_generic.register(str)  # 定义类型
    def _(*arg, **kwargs):
        print("str:", arg, kwargs)


    fun_generic('hello', 'world', key=1)


    @overwrite.register(int)
    def ws(age: int):
        print('int')


    @overwrite.register(str)
    def ws(age: str):
        print('str')


    overwrite('1')