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Bequeme Aliase für Container mit polymorphen Allokatoren (library fundamentals TS)

Von cppreference.com
 
 
 
 
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Bequeme Aliase für Container, die polymorphic_allocator verwenden
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Die folgenden bequemen Aliase und Alias-Templates für Container mit polymorphen Allokatoren sind im Namensraum std::experimental::pmr definiert.

Inhalt

[bearbeiten] Strings

Alias/Alias-Template Alias für
Definiert im 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>;

[bearbeiten] Sequenz-Container

Alias-Template Alias für
Definiert im Header <experimental/vector>
template<class T> using vector = std::vector<T, polymorphic_allocator<T>>;
Definiert im Header <experimental/deque>
template<class T> using deque = std::deque<T, polymorphic_allocator<T>>;
Definiert im Header <experimental/forward_list>
template<class T> using forward_list = std::forward_list<T, polymorphic_allocator<T>>;
Definiert im Header <experimental/list>
template<class T> using list = std::list<T, polymorphic_allocator<T>>;

[bearbeiten] Assoziative Container

Alias-Template Alias für
Definiert im 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>>>;

Definiert im 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>>;

[bearbeiten] Ungeordnete assoziative Container

Alias-Template Alias für
Definiert im 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>>>;

Definiert im 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>>;

[bearbeiten] match_results

Alias/Alias-Template Alias für
Definiert im 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>;