Using closure causes GC allocation

[Azi Hassan via Digitalmars-d-learn]

On Monday, 4 September 2017 at 05:45:18 UTC, Vino.B wrote:
>   In order to resolve the issue "Using closure causes GC 
> allocation" it was stated that we need to use delegates

Alternatively you can drop the functional style and use a foreach 
loop that doesn't require delegates, but you'd still need the GC 
to store the result in an array. And even then you could still 
use Array (from std.container).