@nogc with opApply

[Alex]

On Sunday, 12 August 2018 at 01:39:21 UTC, ag0aep6g wrote:
> On 08/11/2018 12:00 PM, Alex wrote:
>> [...]
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>
> You can provide to overloads: one with @nogc, one without it. 
> To keep it somewhat DRY, you can let them forward to a template 
> implementation:
>
>     int opApply(scope int delegate(ref uint) operations)
>     {
>         return opApplyImpl(operations);
>     }
>     int opApply(scope int delegate(ref uint) @nogc operations) 
> @nogc
>     {
>         return opApplyImpl(operations);
>     }
>     int opApplyImpl(O)(O operations)
>     {
>         /* ... implementation here ... */
>     }

Ah... that's nice...
Thanks!