What do you want to see for a mature DLang?

[Walter Bright]

On 12/29/2017 7:07 PM, IM wrote:
> They start writing 
> some code, and eventually they hit one of those unhelpful compile error 
> messages, which could indicate one of the following:
> - An error in the engineer's knowledge of the language which the compiler didn't 
> help to understand what it is so that s/he goes to look it up.
> - A bug in Phobos.
> - An actual compiler bug or inconsistency.

I'm sorry, there is literally nothing I can do with that. To get action, you 
need to be specific.