polish zig cpp #24
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polish zig cpp #24
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xnhp0320
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Apr 8, 2024
content/post/2024-04-06-zig-cpp.md
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| ```C++ | ||
| Fn<sizeof(A) > sizeof(B), A, B>::OutputType | ||
| ``` | ||
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| 这就是比较类型的 size 大小，如果 A 大，OutputType 就是 A，如果 B 大，OutputType 就是 B。 | ||
| 这就是比较类型的大小，如果 A 大，OutputType 就是 A，如果 B 大，OutputType 就是 B。这种类型生成的方式对于开发者来说完全是黑盒的，需要依赖编译器的特殊支持，有种声明式语言的特点，即：结果导向，不关心具体实现逻辑。 |
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这里只是解释Fn这个模板类的含义。算是标准做法，感觉不能说是依赖编译器的特殊支持。。。建议把增加的句子删掉
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其实就是C++本意只是做模板，但是有人用模板的生成实现了某种编程。。。模板元编程是一个被发现的技术，而不是一个被发明的技术。。。
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