parameter pack to inputRange
Dicebot via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Thu May 5 23:09:29 PDT 2016
On Friday, 6 May 2016 at 06:08:24 UTC, Dicebot wrote:
> Unless parameter list is very (very!) long, I'd suggest to
> simply copy it into a stack struct. Something like this:
>
> auto toInputRange (T...) (T args)
> {
> struct Range
> {
> T args;
> size_t index;
>
> T[0] front () { return args[index]; }
> void popFront () { ++index; }
> bool empty () { return index >= args.length; }
> }
>
> return Range(args, 0);
> }
(note that you can actually make it random access range and not
just input range, I simply have not defined required methods)
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