例如元组:
#include <tuple> // std::tuple, std::make_tuple, std::tie
int num;
char letter;
std::tuple<int,char> num_letter;
num_letter = std::make_tuple(10, 'a');
std::tie(num, letter) = num_letter; // unpack num_letter into num and letter
有没有与pairs等价的东西?
// ...
num_letter = std::make_pair(10, 'a');
std::pair_tie(num, letter) = num_letter;
最佳答案
其实pairs的代码是完全一样的,因为std::tuple
有operator =
with std::pair
as an argument .
num_letter = std::make_pair(10, 'a');
std::tie(num, letter) = num_letter;
关于c++ - std::pair 是否存在类似 std::tie 的东西?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/31272966/