reduce condition nesting

[Andrea Fontana]

On Thursday, 23 November 2017 at 13:47:37 UTC, Adam D. Ruppe 
wrote:
> On Thursday, 23 November 2017 at 05:19:27 UTC, Andrey wrote:
>> for instance in kotlin it can be replace with this:
>>> when {
>>>     c1 -> foo(),
>>>     c2 -> bar(),
>>>     c3 -> ...
>>>     else -> someDefault()
>>> }
>
> The `switch` statement covers some of these cases too.

Anyway you can create something like this:
https://run.dlang.io/is/7pbVXT