Convenience aliases for containers using polymorphic allocators (library fundamentals TS)

From cppreference.com
 
 
Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
Extensions for parallelism (parallelism TS)
Extensions for parallelism 2 (parallelism TS v2)
Extensions for concurrency (concurrency TS)
Concepts (concepts TS)
Ranges (ranges TS)
Special mathematical functions (special math TR)
 
 
 

The following convenience aliases and alias templates for containers using polymorphic allocators are defined in the std::experimental::pmr namespace.

Strings

Alias/alias template Alias for
Defined in header <experimental/string>
template<class charT,

         class traits=std::char_traits<charT>>
using basic_string =

std::basic_string<charT, traits,

    polymorphic_allocator<charT>>;

using string = pmr::basic_string<char>;
using wstring = pmr::basic_string<wchar_t>;
using u16string = pmr::basic_string<char16_t>;
using u32string = pmr::basic_string<char32_t>;

Sequence containers

Alias template Alias for
Defined in header <experimental/vector>
template<class T> using vector = std::vector<T, polymorphic_allocator<T>>;
Defined in header <experimental/deque>
template<class T> using deque = std::deque<T, polymorphic_allocator<T>>;
Defined in header <experimental/forward_list>
template<class T> using forward_list = std::forward_list<T, polymorphic_allocator<T>>;
Defined in header <experimental/list>
template<class T> using list = std::list<T, polymorphic_allocator<T>>;

Associative containers

Alias template Alias for
Defined in header <experimental/map>
template<class Key, class T,

         class Compare=std::less<Key>>
using map =

std::map<Key, T, Compare,

    polymorphic_allocator<std::pair<const Key, T>>>;

template<class Key, class T,

         class Compare=std::less<Key>>
using multimap =

std::multimap<Key, T, Compare,

    polymorphic_allocator<std::pair<const Key, T>>>;

Defined in header <experimental/set>
template<class Key,

         class Compare=std::less<Key>>
using set =

std::set<Key, Compare,

    polymorphic_allocator<Key>>;

template<class Key,

         class Compare=std::less<Key>>
using multiset =

std::multiset<Key, Compare,

    polymorphic_allocator<Key>>;

Unordered associative containers

Alias template Alias for
Defined in header <experimental/unordered_map>
template<class Key, class T,

         class Hash = std::hash<Key>,
         class Pred = std::equal_to<Key>>
using unordered_map =

std::unordered_map<Key, T, Hash, Pred,

    polymorphic_allocator<std::pair<const Key, T>>>;

template<class Key, class T,

         class Hash = std::hash<Key>,
         class Pred = std::equal_to<Key>>
using unordered_multimap =

std::unordered_multimap<Key, T, Hash, Pred,

    polymorphic_allocator<std::pair<const Key, T>>>;

Defined in header <experimental/unordered_set>
template<class Key,

         class Hash = std::hash<Key>,
         class Pred = std::equal_to<Key>>
using unordered_set =

std::unordered_set<Key, Hash, Pred,

    polymorphic_allocator<Key>>;

template<class Key,

         class Hash = std::hash<Key>,
         class Pred = std::equal_to<Key>>
using unordered_multiset =

std::unordered_multiset<Key, Hash, Pred,

    polymorphic_allocator<Key>>;

match_results

Alias/alias template Alias for
Defined in header <experimental/regex>
template<class BidirIt>

using match_results =

std::match_results<BidirIt,

    polymorphic_allocator<std::sub_match<BidirIt>>>;

using cmatch = pmr::match_results<const char*>;
using wcmatch = pmr::match_results<const wchar_t*>;
using smatch = pmr::match_results<pmr::string::const_iterator>;
using wsmatch = pmr::match_results<pmr::wstring::const_iterator>;