unordered_set::allocator_type
用于管理存储的分配器的类型。
typedef Alloc allocator_type;
备注
类型是的同义词。Alloc模板参数
示例
// std_tr1__unordered_set__unordered_set_allocator_type.cpp
// compile with: /EHsc
#include <unordered_set>
#include <iostream>
typedef std::unordered_set<char> Myset;
typedef std::allocator<std::pair<const char, int> > Myalloc;
int main()
{
Myset c1;
Myset::allocator_type al = c1.get_allocator();
std::cout << "al == std::allocator() is "
<< std::boolalpha << (al == Myalloc()) << std::endl;
return (0);
}
要求
标头: <unordered_set>
命名空间: std