On Wednesday, 9 September 2015 at 07:59:57 UTC, Sebastiaan Koppe
wrote:
What is going wrong is that the types aren't the same. That is,
the type of the seed you supplied - `typeof(foobars)` - isn't
the type that your function returns - `typeof(acc.filter!...)`.
Alright. So, `reduce` initial seed is an `array` while the
output of `filter` is a `FilterResult`. I suppose it makes sense
to realise it (`.array`) before passing to the next round.
I was under the impression that `reduce` understands
`FilterResult` and realises it internally; it doesn't and I was
wrong. Though I believe it would have been more intuitive if it
did.
Thanks for the help.
`array()` fixes that, no idea why you need `idup()` though.
True --`idup` was not required. My mistake.
