在direct-list-initialization 中,auto 需要单个表达式 下面的代码现在生成错误 C3518:"testPositions": 在直接列表初始化上下文中,"auto" 的类型只能通过一个初始值设定项表达式进行推断 C++ 复制 auto testPositions{ std::tuple<int, int>{13, 33}, std::tuple<int, int>{-23, -48}, std::tuple<int,...
N3471 constexpr For <initializer_list>, <tuple>, <utility> VS 2015 N3545 integral_constant::operator()() VS 2015 N3642 UDLs For <chrono>, <string> (1729ms, "meow"s, etc.) VS 2015 N3644 Null Forward Iterators VS 2015 N3654 quoted() VS 2015 N3657 Heterogeneo...
size()}; // 在return 语句中复制列表初始化 // 这不使用 std::initializer_list } }; template <typename T> void templated_fn(T) {} int main() { S<int> s = {1, 2, 3, 4, 5}; // 复制初始化 s.append({6, 7, 8}); // 函数调用中的列表初始化 std::cout << "The vector ...
size()}; // 在return 语句中复制列表初始化 // 这不使用 std::initializer_list } }; template <typename T> void templated_fn(T) {} int main() { S<int> s = {1, 2, 3, 4, 5}; // 复制初始化 s.append({6, 7, 8}); // 函数调用中的列表初始化 std::cout << "The vector ...
N3471 constexpr For <initializer_list>, <tuple>, <utility> VS 2015 N3545 integral_constant::operator()() VS 2015 N3642 UDLs For <chrono>, <string> (1729ms, "meow"s, etc.) VS 2015 N3644 Null Forward Iterators VS 2015 N3654 quoted() VS 2015 N3657 Heterogeneo...
N3471 constexpr For <initializer_list>, <tuple>, <utility> VS 2015 N3545 integral_constant::operator()() VS 2015 N3642 UDLs For <chrono>, <string> (1729ms, "meow"s, etc.) VS 2015 N3644 Null Forward Iterators VS 2015 N3654 quoted() VS 2015 N3657 Heterogeneo...
initializer_list 列表初始化用花括号初始化器列表初始化一个对象,其中对应构造函数接受一个 std::initializer_list 参数.initializer_list 使用#include <iostream> #include <vector> #include <initializer_list> template <class T> struct S { std::vector<T> v; S(std::initializer_list<T> l) : v(l...
"tuple":"cpp","type_traits":"cpp","utility":"cpp","fstream":"cpp","initializer_list":"cpp","iosfwd":"cpp","iostream":"cpp","istream":"cpp","limits":"cpp","new":"cpp","ostream":"cpp","sstream":"cpp","stdexcept":"cpp","streambuf":"cpp","typeinfo":"cpp"}, // 格式化...
"regex": "cpp", "algorithm": "cpp", "initializer_list": "cpp", "list": "cp...
打开VS Code,选打开文件夹(不要选“添加工作区文件夹”,理由见上一句),选择刚才那个文件夹,点VS Code上的新建文件夹,名称为.vscode(这样做的原因是Windows的Explorer不允许创建的文件夹第一个字符是点),然后创建 launch.json,tasks.json,settings.json,c_cpp_properties.json放到.vscode文件夹下,效果图: ...