API Reference Document
std::
hash::
hash
<
cpp
|
utility
|
hash
C++
Language
Standard Library Headers
Freestanding and hosted implementations
Named requirements
Language support library
Concepts library
(C++20)
Diagnostics library
Utilities library
Strings library
Containers library
Iterators library
Ranges library
(C++20)
Algorithms library
Numerics library
Input/output library
Localizations library
Regular expressions library
(C++11)
Atomic operations library
(C++11)
Thread support library
(C++11)
Filesystem library
(C++17)
Technical Specifications
Utilities library
Type support
(basic types, RTTI, type traits)
Dynamic memory management
Error handling
Program utilities
Variadic functions
Library feature-test macros
Date and time
Function objects
initializer_list
(C++11)
bitset
hash
(C++11)
integer_sequence
(C++14)
Relational operators
(deprecated in C++20)
rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Comparisons
(C++20)
strong_order
weak_order
partial_order
strong_equal
weak_equal
strong_ordering
weak_ordering
partial_ordering
strong_equality
weak_equality
is_eq
is_neq
is_lt
is_lteq
is_gt
is_gteq
common_comparison_category
Common vocabulary types
pair
tuple
(C++11)
apply
(C++17)
make_from_tuple
(C++17)
optional
(C++17)
any
(C++17)
variant
(C++17)
Swap, forward and move
swap
exchange
(C++14)
forward
(C++11)
move
(C++11)
move_if_noexcept
(C++11)
Elementary string conversions
to_chars
(C++17)
from_chars
(C++17)
chars_format
(C++17)
Type operations
declval
(C++11)
as_const
(C++17)
launder
(C++17)
std::hash
hash::hash
hash::operator()
The
std::hash
class should be
DefaultConstructible
,
CopyConstructible
, and
Destructible
.
This section is incomplete