exercise - find invalid D tokens (Impossible ?)

[Johan Engelen via Digitalmars-d-learn]

On Friday, 28 October 2016 at 05:16:45 UTC, Basile B. wrote:
> Here are the specifications of token strings:
>
> "Token strings open with the characters q{ and close with the 
> token }. In between must be valid D tokens. The { and }"
>
> So we can deduce that any invalid D token inside a token string 
> will lead to a compilation error. Indeed:
>
> void main()
> {
>     enum s = q{#}; // malformed special token sequence
> }
>
> produces an error.
>
> So are you able to find more invalid token ?

Try  '}'