nimcheck/tests/fixtures/cpp/edge_cases.cpp

#include <iostream>
#include <string>
#include <vector>
#include <locale>
#include <codecvt>

/* Unicode comment: 你好, 世界, 🌍🚀 */

int main() {
    // Unicode string literals
    std::string utf8 = "こんにちは世界";
    std::cout << utf8 << std::endl;

    // Null byte in string
    std::string null_str = std::string("hello\x00world", 11);
    std::cout << "Null-str size: " << null_str.size() << std::endl;

    // Deeply nested templates
    template <typename T>
    struct Wrap { T value; };

    Wrap<Wrap<Wrap<Wrap<Wrap<Wrap<Wrap<Wrap<int>>>>>>>> deep = {{{{{{{{42}}}}}}}};
    std::cout << deep.value.value.value.value.value.value.value.value << std::endl;

    // Extremely long string
    std::string long_str(10000, 'x');
    std::cout << "Long string length: " << long_str.length() << std::endl;

    // BOM-like bytes
    const unsigned char bom[] = {0xEF, 0xBB, 0xBF, 'H', 'i', 0};
    std::cout << reinterpret_cast<const char*>(bom) << std::endl;

    // Deep lambda nesting
    auto f1 = [](int x) {
        return [x](int y) {
            return [x, y](int z) {
                return [x, y, z](int w) {
                    return x + y + z + w;
                };
            };
        };
    };
    std::cout << "Nested lambdas: " << f1(1)(2)(3)(4) << std::endl;

    return 0;
}