(constructor) constructs the vector (public member function of std::vector<T,Allocator>) (destructor) destructs the vector (public member function of std::vector<T,Allocator>) operator= assigns values to
一个典型的例子就是 std::vector ,其构造器会直接取传入对象的内存地址来接管这个对象本身,而不会再重新分配一块新的内存,再把每个元素都挨个复制一遍。 移动构造器也允许传递所有权,类似于 std::unique_ptr。 也可以通过重载赋值运算符,将一次性对象赋值给一个对象: class MyClass { public: // ... My...
converting constructors explicit conversion functions inline-namespaces non-static data member initializers right angle brackets C++11 includes the following new library features: std::move std::forward std::to_string type traits smart pointers std::chrono tuples std::tie std::array unordered container...
const_reverse_iteratorstd::reverse_iterator<const_iterator> Member functions (constructor) constructs thevector (public member function) (destructor) destructs thevector (public member function) operator= assigns values to the container (public member function) ...
#include <iostream>#include<string>#include<vector>usingnamespacestd;classnumbered{public: numbered(){//构造函数mysn =0; } numbered(constnumbered& inputOne){//拷贝构造函数mysn =inputOne.mysn; mysn= mysn +1; }intmysn; };voidf(numbered s){ ...
const_reverse_iteratorstd::reverse_iterator<const_iterator> Member functions (constructor) constructs thevector (public member function) (destructor) destructs thevector (public member function) operator= assigns values to the container (public member function) ...
vector(std::initializer_list<T>init, constAllocator&alloc=Allocator()); (11)(since C++11) Constructs a newvectorfrom a variety of data sources, optionally using a user supplied allocatoralloc. 1)The default constructor since C++11. Constructs an emptyvectorwith a default-constructed allocator. ...
常见的 容器比如 向量 vector 或vector 就是模板类 template<class E,class T> class Queue { public: T add(E e,T t){ return e+t; } }; Queue<int,float> q; q.add(1,1.1f) = 2.1f 分类: C/C++ 好文要顶 关注我 收藏该文 微信分享 咸鱼Jay 粉丝- 21 关注- 5 +加关注 0 «...
svr.Get("/stream", [&](const Request &req, Response &res) { res.set_content_provider( "text/plain", // Content type [&](size_t offset, DataSink &sink) { if (/* there is still data */) { std::vector<char> data; // prepare data... sink.write(data.data(), data.size()...
// constructing vectors #include <iostream> #include <vector> int main () { // constructors used in the same order as described above: //0- std::vector<int> zero = {1,1,1,1}; //1- 初始化1 std::vector<int> first; // empty vector of ints //2- (size, value) std::vector...