API Reference Document
std::auto_ptr<T>::
reset
<
cpp
|
memory
|
auto ptr
C++
语言
标准库头文件
自立与有宿主实现
具名要求
语言支持库
概念库
(C++20)
诊断库
工具库
字符串库
容器库
迭代器库
范围库
(C++20)
算法库
数值库
本地化库
输入/输出库
文件系统库
(C++17)
正则表达式库
(C++11)
原子操作库
(C++11)
线程支持库
(C++11)
技术规范
工具库
语言支持
类型支持
(基本类型、 RTTI 、类型特征)
库功能特性测试宏
(C++20)
动态内存管理
程序工具
错误处理
协程支持
(C++20)
变参数函数
launder
(C++17)
initializer_list
(C++11)
source_location
(C++20)
三路比较
(C++20)
three_way_comparable
three_way_comparable_with
(C++20)
(C++20)
strong_ordering
(C++20)
weak_ordering
(C++20)
partial_ordering
(C++20)
common_comparison_category
(C++20)
compare_three_way_result
(C++20)
compare_three_way
(C++20)
strong_order
(C++20)
weak_order
(C++20)
partial_order
(C++20)
compare_strong_order_fallback
(C++20)
compare_weak_order_fallback
(C++20)
compare_partial_order_fallback
(C++20)
is_eq
is_neq
is_lt
is_lteq
is_gt
is_gteq
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
通用工具
日期和时间
函数对象
格式化库
(C++20)
bitset
hash
(C++11)
integer_sequence
(C++14)
关系运算符
(C++20 中弃用)
rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
整数比较函数
cmp_equal
cmp_not_equal
cmp_less
cmp_greater
cmp_less_than
cmp_greater_than
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
(C++20)
in_range
(C++20)
swap 与类型运算
swap
ranges::swap
(C++20)
exchange
(C++14)
declval
(C++11)
forward
(C++11)
move
(C++11)
move_if_noexcept
(C++11)
as_const
(C++17)
常用词汇类型
pair
tuple
(C++11)
apply
(C++17)
make_from_tuple
(C++17)
optional
(C++17)
any
(C++17)
variant
(C++17)
初等字符串转换
to_chars
(C++17)
from_chars
(C++17)
chars_format
(C++17)
动态内存管理
智能指针
unique_ptr
(C++11)
shared_ptr
(C++11)
weak_ptr
(C++11)
auto_ptr
(C++17 前)
owner_less
(C++11)
enable_shared_from_this
(C++11)
bad_weak_ptr
(C++11)
default_delete
(C++11)
分配器
allocator
allocator_traits
(C++11)
allocator_arg_t
(C++11)
allocator_arg
(C++11)
uses_allocator
(C++11)
uses_allocator_construction_args
(C++20)
make_obj_using_allocator
(C++20)
uninitialized_construct_using_allocator
(C++20)
scoped_allocator_adaptor
(C++11)
pmr::polymorphic_allocator
(C++17)
内存资源
pmr::memory_resource
(C++17)
pmr::get_default_resource
(C++17)
pmr::set_default_resource
(C++17)
pmr::new_delete_resource
(C++17)
pmr::null_memory_resource
(C++17)
pmr::synchronized_pool_resource
(C++17)
pmr::unsynchronized_pool_resource
(C++17)
pmr::monotonic_buffer_resource
(C++17)
pmr::pool_options
(C++17)
未初始化存储
raw_storage_iterator
(C++20 前)
get_temporary_buffer
(C++20 前)
return_temporary_buffer
(C++20 前)
未初始化内存算法
uninitialized_copy
uninitialized_fill
uninitialized_move
(C++17)
uninitialized_default_construct
(C++17)
uninitialized_value_construct
(C++17)
destroy
(C++17)
destroy_at
(C++17)
uninitialized_copy_n
(C++11)
uninitialized_fill_n
uninitialized_move_n
(C++17)
uninitialized_default_construct_n
(C++17)
uninitialized_value_construct_n
(C++17)
destroy_n
(C++17)
construct_at
(C++20)
有制约的未初始化内存算法
ranges::uninitialized_copy
(C++20)
ranges::uninitialized_fill
(C++20)
ranges::uninitialized_move
(C++20)
ranges::uninitialized_default_construct
(C++20)
ranges::uninitialized_value_construct
(C++20)
ranges::destroy
(C++20)
ranges::destroy_at
(C++20)
ranges::uninitialized_copy_n
(C++20)
ranges::uninitialized_fill_n
(C++20)
ranges::uninitialized_move_n
(C++20)
ranges::uninitialized_default_construct_n
(C++20)
ranges::uninitialized_value_construct_n
(C++20)
ranges::destroy_n
(C++20)
ranges::construct_at
(C++20)
垃圾收集支持
declare_reachable
(C++11)
undeclare_reachable
(C++11)
declare_no_pointers
(C++11)
undeclare_no_pointers
(C++11)
pointer_safety
(C++11)
get_pointer_safety
(C++11)
杂项
pointer_traits
(C++11)
to_address
(C++20)
addressof
(C++11)
align
(C++11)
assume_aligned
(C++20)
C 库
malloc
aligned_alloc
(C++17)
calloc
realloc
free
低层内存管理
std::auto_ptr
成员函数
auto_ptr::auto_ptr
auto_ptr::~auto_ptr
auto_ptr::operator=
auto_ptr::operator*
auto_ptr::operator->
auto_ptr::get
auto_ptr::release
auto_ptr::reset
auto_ptr::operator auto_ptr<Y>
auto_ptr::operator auto_ptr_ref<Y>
void
reset
(
T
*
p
=
0
)
throw
(
)
;
(C++11 中弃用)
(C++17 中移除)
替换
p
为保有的指针。若当前实现保有的指针不是空指针,则调用
delete get
(
)
。
参数
p
-
指向待管理对象的指针
返回值
(无)
参阅
release
释放被管理对象的所有权
(公开成员函数)