Lengua D

// Nested functions can refer to outer
  // variables like args
  specs argspecs()
  {
    specs* s = new specs;
    // no need for '->'
    s.count = args.length;          // get length of array with .length
    s.allocated = typeof(args).sizeof; // built-in native type properties
    foreach (argv; args)
      s.allocated += argv.length * typeof(argv[0]).sizeof;
    return *s;
  }