destroy_one(pointer,std::is_trivially_destructible<Ty>{}); } 这样设计的好处主要体现在对泛型编程和内存管理的灵活性上。下面是一些可能的好处: 1. **泛型性质: 这种设计允许 `destroy_one` 在不同的上下文中使用,因为它是模板函数,能够适应不同的数据类型。通过传递不同的类型参数和 `std
False:如果类型T不是可轻易破坏的类型。 下面是说明C /C++中的std::is_trivially_destructible模板的程序: 程序1: // C++ program to illustrate// std::is_trivially_destructible#include<bits/stdc++.h>#include<type_traits>usingnamespacestd;// Declare structuresstructY{// ConstructorY(int,int){}; }...
即编译器合成的默认析构函数, 因此不是trivivally destructible类型 */intmain(){std::cout<<std::boolalpha;/* 将输出流bool解析为true/false, 而不是1/0 */std::cout<<"is_trivially_destructible:"<<std
"<<std::is_destructible<std::string>::value<<'\n'<<"Foo is nothrow destructible? "<<std::is_nothrow_destructible<Foo>::value<<'\n'<<"Bar is trivally destructible? "<<std::is_trivially_destructible<Bar>::value<<'\n';} 输出: ...
() = default; }; static_assert(std::is_destructible<std::string>::value == true); static_assert(std::is_trivially_destructible_v<Foo> == false); static_assert(std::is_nothrow_destructible<Foo>() == true); static_assert(std::is_trivially_destructible<Bar>{} == true); int main()...
boolalpha << "std::string is destructible? " << std::is_destructible<std::string>::value << '\n' << "Foo is nothrow destructible? " << std::is_nothrow_destructible<Foo>::value << '\n' << "Bar is trivally destructible? " << std::is_trivially_destructible<Bar>::value << '...