Casting away immutability

[Sergei Degtiarev via Digitalmars-d-learn]

On Thursday, 3 September 2015 at 14:36:12 UTC, Mike Parker wrote:
>
> immutable(T)[] getGetData(T)() {
>     return cast(immutable(T)[])data;
> }
>

Absolutely, instead of returning raw void[] and allow user to 
cast it, std.mmfile should implement template function to return 
desired type.
This would allow all necessary checks inside the module, 
returning pure result.