C++ - value of uninitialized vectorlt;intgt;(C++ - 未初始化向量的值lt;intgt;)

C++ default initialization and value initialization: which is which, which is called when and how to reliably initialize a template-type member(C++默认初始化和值初始化:哪个是哪个，什么时候调用以及如何可靠地初始化一个模板类型成员)

Getting a bunch of crosses initialization error(得到一堆十字架初始化错误)

Meaning of default initialization changed in C++11?(在 C++11 中更改了默认初始化的含义?)

Is reading an indeterminate value undefined behavior?(读取不确定值未定义行为吗?)

Easy way find uninitialized member variables(查找未初始化成员变量的简单方法)

How can I make `new[]` default-initialize the array of primitive types?(如何使`new []`默认初始化原始类型数组?)

How to do the equivalent of memset(this, ...) without clobbering the vtbl?(如何在不破坏 vtbl 的情况下做相当于 memset(this, ...) 的操作?)

Why class data members can#39;t be initialized by direct initialization syntax?(为什么不能通过直接初始化语法来初始化类数据成员?)

C++11 member initializer list vs in-class initializer?(C ++ 11成员初始化器列表与类内初始化器?)

Has the new C++11 member initialization feature at declaration made initialization lists obsolete?(声明时新的 C++11 成员初始化功能是否使初始化列表过时?)

What#39;s the motivation behind having copy and direct initialization behave differently?(复制和直接初始化行为不同的动机是什么?)

Member fields, order of construction(成员字段，构建顺序)

How are local and global variables initialized by default?(默认情况下如何初始化局部变量和全局变量?)

What Is a Curly-Brace Enclosed List If Not an intializer_list?(如果不是 intializer_list，什么是花括号封闭列表?)

Why must const members be initialized in the constructor initializer rather than in its body?(为什么 const 成员必须在构造函数初始化器中而不是在其主体中初始化?)

How to create std::array with initialization list without providing size directly(如何在不直接提供大小的情况下使用初始化列表创建 std::array)

What happens if a constructor throws an exception?(如果构造函数抛出异常会发生什么?)

Object creation on the stack/heap?(在堆栈/堆上创建对象?)

Using newly declared variable in initialization (int x = x+1)?(在初始化中使用新声明的变量(int x = x+1)?)