how to skip the next (n) item & continue from (n+1) with a range ? e.g. in File(fn).byLine();

[Steven Schveighoffer]

On 6/22/20 3:53 PM, mw wrote:
> Hi,
> 
> I need this logic:
> 
> ```
> auto range = File(fn).byLine();
> foreach (line; range) {
>    if (comeCond(line)) {
>       // skip the next n line
>       // and continue the foreach loop from the (n+1) line
>    } else {
>       regularProcess(line);
>    }
> }
> ```
> 
> Is it possible to do this in a foreach loop?

I wouldn't recommend it, instead do a while loop:

auto range = File(fn).byLine;

while(!range.empty)
{
    auto line = range.front;
    if(someCond(line)) {
         range.popFrontN(n);
    } else {
         regularProcess(line);
         range.popFront;
    }
}

-Steve