import <iostream>;    
import <vector>;
import <ranges>;
import <format>;
import <print>;

using namespace std;

auto main() -> int {
    vector numbers = {1, 2, 3, 4, 5};

    auto squared = numbers | views::transform([](int x) { return x * x; });

    print("Original: {}\n", numbers);  // 输出: Original: [1, 2, 3, 4, 5]
    print("Squared: {}\n", squared);   // 输出: Squared: [1, 4, 9, 16, 25]

    vector<string> fruits = {"apple", "banana", "cherry"};
    for (auto [i, fruit] : views::zip(numbers, fruits)) {
        print("{}: {}\n", i, fruit);  // 输出: 1: apple\n2: banana\n...
    }

    unordered_map<string, int> config = {
        {"timeout", 30},
        {"retries", 3}
    };
    print("Config: {}\n", config);  // 输出: Config: {timeout: 30, retries: 3}
}
--
FROM 221.221.144.*

说明C++吸纳了其他语言的一些优点，提高了抽象能力（代码写得快了），同时又保持了高性能（代码执行得快），这不是完美吗？
--
FROM 114.254.115.*