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51CTO
13 天
C++14 变量模板深度解析:如何用变量模板统一常量定义?
如何用变量模板统一常量定义?下面,就让我们一起领略C++14带来的编译期黑科技,让常量定义跨越类型维度! 每次访问都要穿越两层命名空间 → 像要通关密语才能进保险库。 double pi1 = getPi<double>(); // 📢 必须带括号"呼叫" float pi2 = getPi<float>(); // 🎛️ 换类型 ...
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