intmain(){std::cout<<"Hello World!\n";#pragma region make_unique与new区别try{doSomething(std::unique_ptr<Diff_New_Make_unique>(newDiff_New_Make_unique(false,1)),std::unique_ptr<Diff_New_Make_unique>(newDiff_New_Make_unique(true,2)));//doSomething(std::make_unique<Diff_New_Make_...
scl enable devtoolset-9 bash 4、查看gcc版本 gcc -v 显示为9.x O了!
auto jsContext = std::make_unique<JsBaseContext>(context); SetNameNativePointer(engine, *object, BASE_CONTEXT_NAME, jsContext.release(), JsBaseContext::Finalizer); auto appInfo = context->GetApplicationInfo(); if (appInfo!= nullptr) { object->SetProperty("applicationInfo", CreateJsApplicationIn...
_set) { std::unique_lock<std::mutex> lock(_mutex); if (!_set) { _set = true; _cond.notify_all(); } } } inline bool isSet() { return _set; } private: std::condition_variable_any _cond; bool _set; std::mutex _mutex; }; template <typename T> class Future final { class...
unique 创建账户 std::unique 在标头<algorithm>定义 template<classForwardIt> ForwardIt unique(ForwardIt first, ForwardIt last); (1)(C++20 起为constexpr) template<classExecutionPolicy,classForwardIt> ForwardIt unique(ExecutionPolicy&&policy, ForwardIt first, ForwardIt last);...
std::make_unique C++11 includes the following new language features: move semantics variadic templates rvalue references forwarding references initializer lists static assertions auto lambda expressions decltype template aliases nullptr strongly-typed enums attributes constexpr delegating constructors user-define...
user-defined literals for standard library types compile-time integer sequences std::make_uniqueC++11 includes the following new language features:move semantics variadic templates rvalue references forwarding references initializer lists static assertions auto lambda expressions decltype type aliases nullptr ...
std::function..., but ~ main::{lambda()#1}, and it is// unique for each lambda. So, this throws...try{std::any_cast<lambda>(a2)();}catch(std::bad_any_castconst&ex){std::cout<<ex.what()<<'\n';}// Put a lambda into std::any. Attempt #2 (successful).autoa3=std::...
Instead of using the overload(2)together with new, it is often a better idea to usestd::make_unique<T>. (since C++14) std::unique_ptr<Derived>is implicitly convertible tostd::unique_ptr<Base>through the overload(6)(because both the managed pointer andstd::default_deleteare implicitly ...
std::unique_ptr<constHouse>buildAHouse();// for some reason, I don't want you// to modify the house you're being passed 为了保证完全拥有资源,unique_ptr不能拷贝,但是可以通过移动把资源转移给另一个。 std::unique_ptr<int>p1=std::make_unique<int>(42);std::unique_ptr<int>p2=move(p1...