Re: fold on empty range

[Rumbu via Digitalmars-d-learn]

On Wednesday, 17 February 2021 at 12:58:29 UTC, Mitacha wrote:

On Wednesday, 17 February 2021 at 11:38:45 UTC, Rumbu wrote:

[...]

If you replace `fold` and `splitter` with this, then it doesn't allocate:

```
auto fn() @nogc {
    return only("k1,k2", "k3,k4")
        .map!(x => x.splitter(","))
        .joiner;
}

void main() {
   auto range = fn();
   range.writeln;
}
```

Wow, thanks a lot.