Best practices of using const

[Kagamin]

On Tuesday, 19 February 2019 at 15:30:22 UTC, Atila Neves wrote:
> I keep hearing how const is nigh unusable in D, and except for 
> ranges I litter my code with const everywhere, pretty much just 
> as often as I used in C++.

I once spent a good amount of effort to annotate my code with 
pure and inout only to find a compiler bug, then I realized that 
annotations aren't really needed, because the collection is 
inherently mutable anyway (appender).