fmtlib 支持 tuple的格式化
#include <iostream>
#include <fmt/format.h>
#include <fmt/ranges.h>
using namespace std;
int main(int argc, char** argv)
{
std::tuple<char, int, float> t{ 'a', 1, 2.0f };
// Prints "('a', 1, 2.0)"
fmt::print("{}\n", t);
std::tuple<int, char> t2 = { 1, 'a' };
// Prints "1, a"
fmt::print("{}\n", fmt::join(t2, ", "));
return 0;
}
运行结果: