unique_ptr&operator=(constunique_ptr&)=delete; (4) 1)移动赋值运算符。从r转移所有权到*this,如同在调用reset(r.release())后立即将std::forward<Deleter>(r.get_deleter())赋给get_deleter()。 此重载只有在std::is_move_assignable<Deleter>::value是true时才会参与重载决议。
#include <iostream> #include <memory> int main() { std::unique_ptr<int> ptr(new int(42)); if (ptr) std::cout << "重置前,ptr 为: " << *ptr << '\n'; ptr.reset(); ptr ? (std::cout << "重置后,ptr 为: " << *ptr) : (std::cout << "重置后 ptr 为空") << '\...
Example Run this code #include <iomanip>#include <iostream>#include <memory>#include <string>#include <utility>classRes{std::strings;public:Res(std::stringarg):s{std::move(arg)}{std::cout<<"Res::Res("<<std::quoted(s)<<");\n";}~Res(){std::cout<<"Res::~Res();\n";}private...
#include <iostream>#include <memory>structFoo{Foo(int_val):val(_val){std::cout<<"Foo...\n";}~Foo(){std::cout<<"~Foo...\n";}intval;};intmain(){std::unique_ptr<Foo>up1(new Foo(1));std::unique_ptr<Foo>up2(new Foo(2));up1.swap(up2);std::cout<<"up1->val:"<<up1...
另外,正则表达式在一些文本编辑软件(如 sublime text)中也有十分强大的作用 #工具库/动态内存管理 较为现代的指针 >shared_ptr >unique_ptr # 工具库/通用工具 >swap >exchange >forward >move #工具库/程序支持工具 >abort >exit >atexit >system #工具库/类型支持 >numeric_limits...
scope_exit—scope_fail—scope_success—unique_resource Concurrency library extensions(concurrency TS)—Transactional Memory(TM TS) Concepts(concepts TS)—Ranges(TS de ranges)‐Reflection(reflection TS) Links Externos−Bibliotecas Não-ANSI/ISO−Index−Índice de símbolos std ...
unique_ptr(C++11) shared_ptr(C++11) Низкоуровневоеуправление Библиотекаобщихутилит Функциональныеобъекты−hash(C++11) Обмен−Операциинадтипами(C++11) ...
std::hash<std::unique_ptr> (C++11) Hash-Unterstützung für std::unique_ptr (class Template-Spezialisierung) [edit] std::hash<std::shared_ptr> (C++11) Hash-Unterstützung für std::shared_ptr (class Template-Spezialisierung) [edit] std::hash<std::type_index> (C++11) Ha...
std::hash<std::unique_ptr> (C++11) soutien de hachage pour std::unique_ptr Original: hash support for std::unique_ptr The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (classe générique spécialis...
scope_exit−scope_fail−scope_success−unique_resource Parallelism library extensions v2 (parallelism TS v2) simd Concurrency library extensions (concurrency TS) Transactional Memory(TM TS) Reflection(reflection TS) External Links−Non-ANSI/ISO Libraries−Index−std Symbol Index ...