元编程学习: integral_constant
用于定义整型常数变量的类,在
#include
#include using namespace std;int main()
{std::cout << "This Demo is that type_traits: integral_constant" << std::endl;std::integral_constant int10;std::cout << "The Const Value: " << int10.value << std::endl;std::integral_constant shortInt20;std::cout << "The Const Value: " << shortInt20.value << std::endl;std::cout << "Bool Integral_constent " << std::endl;std::cout << "true : " << true_type::value << std::endl;std::cout << "false: " << false_type::value << std::endl;return 0;
}

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