Description: #]===] set(TZ_MAIN_NAME VectorConstructor) set(TZ_MAIN_INCLUDE ) set(TZ_MAIN_INC ) set(TZ_MAIN_SRC main.cpp ) add_executable(${TZ_MAIN_NAME} ${TZ_MAIN_INCLUDE} ${TZ_MAIN_INC} ${TZ_MAIN_SRC} ) set_property(TARGET ${TZ_MAIN_NAME} PROPERTY FOLDER "UsingVector") ...
(constructor)构造函数声明 接口说明 vector()(重点) 无参构造 vector(size_type n, const value_type& val = value_type()) 构造并初始化n个val vector (const vector& x); (重点) 拷贝构造 vector (InputIterator first, InputIterator last); 使用迭代器进行初始化构造 vector代码演示 代码语言:javascrip...
由于C++兼容于C,为了用C++维护以前用C写的程序,可能会遇到用C写的array,但C++的std::vector远比array好用,所以可能必须将array转成std::vector继续维护,以下的程序demo如何将array转成std::vector。 1 /* 2 (C) OOMusou 2006http://oomusou.cnblogs.com 3 4 Filename : ArrayToVectorByConstructor.cpp 5 ...
(constructor)构造函数声明 接口说明 vector()(重点) 无参构造 vector(size_type n, const value_type& val =value_type()) 构造并初始化n个val vector (const vector& x); (重点) 拷贝构造 vector (InputIterator first, InputIterator last); 使用迭代器进行初始化构造 vector的构造代码演示 1.4、vector it...
// constructors used in the same order as described above:std::vector<int> first;// empty vectorstd::vector<int>second(4,100);// four ints with value 100std::vector<int>third(second.begin(),second.end());// iterating through secondstd::vector<int>fourth(third);// a copy of thir...
sometimes the programmer can improve the performance of her program by giving hints to the compiler about the size of the containers that the program will use. These hints come in the form of thereserve() function and the constructor used in the above example, which tell the compiler how lar...
1.1constructor构造函数 (constructor)构造函数声明 接口说明 vector() 无参构造 vector(size_type n, const value_type& val = value_type()) 构造并初始化n个va vector (const vector& x); 拷贝构造 vector (InputIterator first, InputIterator last); 使用迭代器进行初始化构造 直接上代码来看看Vector构造函...
index; }; // must use noexcept, otherwise copy constructor called Myclass(Myclass&& other) noexcept : index(other.index) { std::cout << other.index << std::endl; // will be called here if no reserve other.index = 0; }; }; std::vector<Myclass> array; std::cout << array....
1. (constructor) & (destructor) 2. 一系列基本接口 2.1 size & capacity 2.2 [] 2.3 iterator 3. 尾插尾删 3.0 reserve & resize 3.1 push_back & pop_back 4. 构造 & 拷贝构造 & 赋值重载 5. 迭代器失效问题 5.1 insert 5.2 erase 5.3 小总结 附:vector.h & vector.cpp 本文将按照前后依赖逻辑...
constructor(构造函数) destructor(析构函数) operator= Iterators begin end Capacity size capacity reserve resize Element access operator[] Modifiers push_back pop_back insert erase swap 完整版实现代码 vector.h test.cpp vector的介绍 vector是C++ STL库中一个重要的容器,它分为以下几个部分(我们也将在vs...