std::shared_ptr<T>::operator<<

 

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std::shared_ptr

成员函数

shared_ptr::shared_ptr

shared_ptr::~shared_ptr

shared_ptr::operator=

修改器

shared_ptr::reset

shared_ptr::swap

观察者

shared_ptr::get

shared_ptr::operator*shared_ptr::operator->

shared_ptr::operator[] (C++17)

shared_ptr::use_count

shared_ptr::unique (直到 C++20*)

shared_ptr::operator bool

shared_ptr::owner_before

shared_ptr::owner_hash (C++26)

shared_ptr::owner_equal (C++26)

非成员函数

swap(std::shared_ptr)

make_sharedmake_shared_for_overwrite (C++20)

allocate_sharedallocate_shared_for_overwrite (C++20)

static_pointer_castdynamic_pointer_castconst_pointer_castreinterpret_pointer_cast (C++17)

get_deleter

operator==operator!=operator<operator<=operator>operator>=operator<=> (直到 C++20)(直到 C++20)(直到 C++20)(直到 C++20)(直到 C++20)(C++20)

operator<<

atomic_xxx 函数 (直到 C++26*)

辅助类

atomic<std::shared_ptr> (C++20)

hash<std::shared_ptr>

推导指南(C++17)

 

template< class T, class U, class V > std::basic_ostream<U, V>& operator<<( std::basic_ostream<U, V>& os, const std::shared_ptr<T>& ptr );

将存储在 ptr 中的指针的值插入输出流 os 中。

等效于 os << ptr.get()。

参数

os	-	一个 std::basic_ostream 用于插入 ptr
ptr	-	要插入 os 的数据

返回值

os

示例

运行此代码

#include <iostream>
#include <memory>
 
class Foo {};
 
int main()
{
    auto sp = std::make_shared<Foo>();
    std::cout << sp << '\n';
    std::cout << sp.get() << '\n';
}

可能的输出

0x6d9028
0x6d9028

参见

get	返回存储的指针 (公有成员函数)