std::flat_map

 

C++

Compiler support

Freestanding and hosted

Language

Standard library

Standard library headers

Named requirements

Feature test macros (C++20)

Language support library

Concepts library (C++20)

Metaprogramming library (C++11)

Diagnostics library

General utilities library

Strings library

Containers library

Iterators library

Ranges library (C++20)

Algorithms library

Numerics library

Localizations library

Input/output library

Filesystem library (C++17)

Regular expressions library (C++11)

Concurrency support library (C++11)

Technical specifications

Symbols index

External libraries

 

Containers library

Sequence

array (C++11)

vector

deque

forward_list (C++11)

list

Associative

set

multiset

map

multimap

Unordered associative

unordered_set (C++11)

unordered_multiset (C++11)

unordered_map (C++11)

unordered_multimap (C++11)

Adaptors

stack

queue

priority_queue

flat_set (C++23)

flat_multiset (C++23)

flat_map (C++23)

flat_multimap (C++23)

Views

span (C++20)

mdspan (C++23)

Iterator invalidation

Member function table

Non-member function table

 

std::flat_map

Member functions

flat_map::flat_map

flat_map::~flat_map

flat_map::operator=

Element access

flat_map::at

flat_map::operator[]

Iterators

flat_map::beginflat_map::cbegin

flat_map::endflat_map::cend

flat_map::rbeginflat_map::crbegin

flat_map::rendflat_map::crend

Capacity

flat_map::empty

flat_map::size

flat_map::max_size

Modifiers

flat_map::clear

flat_map::insert

flat_map::insert_range

flat_map::insert_or_assign

flat_map::emplace

flat_map::emplace_hint

flat_map::try_emplace

flat_map::erase

flat_map::swap

flat_map::extract

flat_map::replace

Lookup

flat_map::count

flat_map::find

flat_map::contains

flat_map::equal_range

flat_map::lower_bound

flat_map::upper_bound

Observers

flat_map::key_comp

flat_map::value_comp

Non-member functions

swap

erase_if

operator==operator<=>

Deduction guides