std::array::max_size constexpr size_type max_size(); (since C++11) (until C++14) constexpr size_type max_size() const; (since C++14) 返回容器由于系统或库实现限制而能够容纳的最大元素数,即std::distance(begin(), end())最大的集装箱。 参数 %280%29 返回值 最大元素数。
std::size_t N > bool operator==( const std::array< T, N >& lhs, const std::array< T, N >& rhs ); //C++20 前 template< class T, std::size_t N > constexpr bool operator==( const std::array< T, N >& lhs, const std::array< T, N >& rhs ); //C++20 起 //2....
std::array<T,N>::rbegin, std::array<T,N>::crbegin std::array<T,N>::rend, std::array<T,N>::crend std::array<T,N>::empty std::array<T,N>::size std::array<T,N>::max_size std::array<T,N>::swap std::get(std::array) std::swap(std::array) std::to_array operator=...
#include <iostream>#include <locale>#include <array>intmain(){std::array<char,10>q;std::cout.imbue(std::locale("en_US.UTF-8"));std::cout<<"Maximum size of the std::array is "<<q.max_size()<<'\n';} Output: Maximum size of the std::array is 10 ...
max_size 2.2.5 修改器 fill swap 2.2 非成员函数 operator==,!=,<,<=,>,>=,<=>(std::array) std::get(std::array) std::swap(std::array) std::to_array std::tuple_size std::tuple_element 3. 总结 1. 数组和std::array std::array是C++容器库提供的一个固定大小数组的容器。其与内置的...
std::array::data std::array::empty std::array::end std::array::fill std::array::front std::array::max_size std::array::operator[] std::array::rbegin std::array::rend std::array::size std::array::swap std::deque std::deque::assign std::deque::at std::deque::back std::dequ...
std::array::empty std::array::end std::array::fill std::array::front std::array::max_size std::array::operator[] std::array::rbegin std::array::rend std::array::size std::array::swap std::deque std::deque::assign std::deque::at std::deque::back std::deque::begin std::deq...
cout <<"size of array:"<< arrCh.size() <<"\n";///< output: 10cout <<"max_size of array"<< arrCh.max_size() <<"\n";///< output: 10cout<<"\n"; array<int, 0> first; array<int, 5> second; cout <<"first array:"<< first.empty() <<"\n";///< output: 1, mea...
return(std::array<T,Extent>{}); } }; template<typename LeafT,size_t... Extents> using mxt = decltype(_mxt<LeafT,Extents...>()); 简单测试: using t = mxt<size_t,5,4,3,2>; std::cout<< sizeof(t) << std::endl; //960 ...
N is a non-type template parameter of type std::size_t that allows the caller to specify the array length. Warning Note that the type of the non-type template parameter for std::array should be std::size_t, not int! This is because std::array is defined as template<class T, std:...