C++字符串解析(python样式)

#include<iostream>
#include<format>
#include<string>

int main() {
    int x = 42;
    double y = 3.14159265358979323846;
    std::string s = std::format("x = {}, y = {:.2f}", x, y);
    std::cout << s << std::endl;
    return 0;
}

x = 42, y = 3.14

#include <fmt/core.h>
#include<iostream>

int main() {
    int x = 42;
    double y = 3.14159265358979323846;
    std::string s = fmt::format("x = {}, y = {:.2f}", x, y);
    std::cout << s << std::endl;
    return 0;
}

x = 42, y = 3.14