What do you want to see for a mature DLang?

[Seb]

On Friday, 29 December 2017 at 21:34:14 UTC, Walter Bright wrote:
> On 12/28/2017 11:53 PM, IM wrote:
>> Simple things like these make a big difference. D Lang has 
>> been around for a long while now, and hence signs of its 
>> maturity has to show everywhere, especially in the compiler, 
>> as well as the package manager.
>
> Diverging from the:
>
>   file(line): message
>
> format is problematic because a lot of editors rely on that to 
> position the editor on the offending line.

It's easy to detect whether the compiler is invoked in a TTY.
Even if this turns out to be tricky, showing more helpful 
information to the user with a special flag (e.g. `--explain` or 
`--detailed`) is a way to go forward.