nimcheck/edge_cases.cpp at 5a7c24f936eb55cae912ff4d29030fa4239a2f2b

 #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;
 }