代码拉取完成,页面将自动刷新
同步操作将从 Yj/CPlusPlusThings 强制同步,此操作会覆盖自 Fork 仓库以来所做的任何修改,且无法恢复!!!
确定后同步将在后台操作,完成时将刷新页面,请耐心等待。
//
// Created by light on 19-12-14.
//
#include <iostream>
#include <functional>
using namespace std;
// xvalue
int&& f(){
return 3;
}
struct As
{
int i;
};
As&& ff(){
return As();
}
int main() {
// lvalue
int x = 0;
cout << "(x).addr = " << &x << endl;
cout << "(x = 1).addr = " << &(x = 1) << endl;
cout << "(++x).addr = " << &++x << endl;
cout << "(cout << ' ').addr=" << &(cout << ' ') << endl;
cout << "(\"hello\").addr=" << &("hello") << endl;
// rvalue
cout<<true<<endl;
// xvalue
f(); // The expression f() belongs to the xvalue category, because f() return type is an rvalue reference to object type.
static_cast<int&&>(7); // The expression static_cast<int&&>(7) belongs to the xvalue category, because it is a cast to an rvalue reference to object type.
std::move(7); // std::move(7) is equivalent to static_cast<int&&>(7).
ff().i; // The expression f().i belongs to the xvalue category, because As::i is a non-static data member of non-reference type, and the subexpression f() belongs to the xvlaue category.
return 0;
}
此处可能存在不合适展示的内容,页面不予展示。您可通过相关编辑功能自查并修改。
如您确认内容无涉及 不当用语 / 纯广告导流 / 暴力 / 低俗色情 / 侵权 / 盗版 / 虚假 / 无价值内容或违法国家有关法律法规的内容,可点击提交进行申诉,我们将尽快为您处理。