以下结构意味着什么?
#include <iostream> template <int ...> struct s; int main() { int i = s<,>::xxx; std::cout << i << std::endl; }
它由gcc 4.4.5+编译并在执行时输出0.
0
c++ gcc templates variadic c++11
c++ ×1
c++11 ×1
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templates ×1
variadic ×1