...calling the superclass constructor. According to the error message, one or more of the arguments...

...an error with an appropriate message when they do, rather than a cryptic message telling...

...in `traits.d` prevents the invalid error message:
  ```
  Error: parameter index must be in range...

...stringifyArray([1, 2, 3]);    // error!

// a useless factory...not available/accessible here
    // Message cipher;   // <-- implicit but...

...d(1): Error: function `D main` label `findme` is undefined

The error message should print...

...long-unsigned that have no direct assembly comparison instruction, maybe just produce an error message.

--

...0,
};
---

With the message:
---
Error: found `==` when expecting `)`
Error: found `)` when expecting `}`
Error: `=`, `;` or `,` expected

--

...Inner!T, T)); // error
---

The error message is:

--
bug.d(11): Error: static assert:  `is...

...2)();

   c = d; // Error message says a thing != to a same thing
}
```

Error messages formatted...

...had enough spare cash to buy indented dmd error message formatting for deep template types.