std::hash<std::shared_ptr>

template< class T > struct hash<std::shared_ptr<T>>;		(C++11 起)

std::hash 对 std::shared_ptr<T> 的模板特化允许用户获取 std::shared_ptr<T> 类型对象的哈希值。

对于给定的 std::shared_ptr<T> p，此特化确保 std::hash<std::shared_ptr<T>>()(p) == std::hash<decltype(p.get())>()(p.get())。

(C++11)

哈希函数对象
(类模板) [编辑]

成员函数
shared_ptr::shared_ptr
shared_ptr::~shared_ptr
shared_ptr::operator=
修改器
shared_ptr::reset
shared_ptr::swap
观察器
shared_ptr::get
shared_ptr::operator*shared_ptr::operator->
shared_ptr::operator[] (C++17)
shared_ptr::use_count
shared_ptr::unique (C++20之前已弃用，C++20中移除*)
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 起)
allocate_sharedallocate_shared_for_overwrite (C++20 起)
static_pointer_castdynamic_pointer_castconst_pointer_castreinterpret_pointer_cast (C++17)
get_deleter
operator==operator!=operator<operator<=operator>operator>=operator<=> (until C++20)(until C++20)(until C++20)(until C++20)(until C++20)(C++20)
operator<<
atomic_xxx 函数 (C++20中已弃用，C++26中移除*)
辅助类
atomic<std::shared_ptr> (C++20)
hash<std::shared_ptr>
推导指南(C++17)