Add unicode literal

main.cpp

@@ -127,13 +127,15 @@ int main(){
   result = compile_file("new_types.kl"_s);
   printf("%s", result.str);
 
+
+#if 0
   result = compile_file("program.kl"_s);
   FILE *f = fopen("program.c", "w");
   assert(f);
   fprintf(f, "%.*s", (int)result.len, result.str);
   fclose(f);
-
   system("clang.exe program.c -g -o program.exe && program.exe");
+#endif
 
   __debugbreak();
 }