usingvector=std::vector<T,std::pmr::polymorphic_allocator<T>>; } (2) (C++17 起) 1)std::vector是封装动态数组的序列容器。 2)std::pmr::vector是使用多态分配器的模板别名。 除了部分特化std::vector<bool>外,元素被连续存储,这意味着不仅可通过迭代器,还能用指向元素的常规指针访问元素。这意味着指...
Defined in header<vector> template< classT, classAllocator=std::allocator<T> >classvector; (1) namespace { template<classT> usingvector=std::vector<T,std::pmr::polymorphic_allocator<T>>; } (2) (since C++17) 1)std::vectoris a sequence container that encapsulates dynamic size arrays. ...
std::vector<bool> C++ 容器库 std::vector<bool> 在标头<vector>定义 template< classAllocator >classvector<bool, Allocator>; std::vector<bool>是std::vector对类型bool为空间提效的特化。 std::vector<bool>中对空间提效的行为(以及它是否有优化)是实现定义的。一种潜在优化涉及到 vector 的元素联合,使得...
erase_if( std::vector<T, Alloc>& c, Pred pred ); (2) (since C++20) 1) Erases all elements that compare equal to value from the container. Equivalent to auto it = std::remove(c.begin(), c.end(), value); auto r = c.end() - it; c.erase(it, c.end()); return r;2...
vector::insert vector::emplace (C++11) vector::erase vector::push_back vector::emplace_back (C++11) vector::pop_back vector::resize vector::swap std::vector<bool> specific vector<bool>::flip vector<bool>::swap Non-member functions operator==operator!=operator<operator>operator<=operator>=...
inplace_vector(C++26) hive(C++26) map−multimap−set−multiset unordered_map(C++11) unordered_multimap(C++11) unordered_set(C++11) unordered_multiset(C++11) Container adaptors span(C++20)−mdspan(C++23) Iterators library Ranges library(C++20) ...
release/widget.o:widget.cpp:(.text+0x2458):undefinedreferenceto`cv::CascadeClassifier::load(std::__cxx11::basic_string<char,std::char_traits<char>,std::allocator<char>>const&)' release/widget.o:widget.cpp:(.text+0x24f5):undefinedreferenceto`cv::CascadeClassifier::~CascadeClassifier()' ...
basic_string_view (C++17) Chaînes terminées par null: byte − multibyte − wide Conteneurs array (C++11) − vector map − unordered_map (C++11) priority_queue − span (C++20) Autres conteneurs: sequence − associative unordered associative − adaptors Itérate...
array(C++11)−vector map−unordered_map(C++11) priority_queue−span(C++20) その他のコンテナ: シーケンス−連想 非順序連想−アダプタ イテレータライブラリ 範囲ライブラリ(C++20) アルゴリズムライブラリ 数値演算ライブラリ ...
array(C++11)−vector −deque list−forward_list(C++11) map−multimap set−multiset unordered_map(C++11) unordered_multimap(C++11) unordered_set(C++11) unordered_multiset(C++11) stack−queue−priority_queue span(C++20) Biblioteca de iteradores ...