Any ideas?

# functional

[Rruiz]

Any ideas?

[Shawn]

It may be related to the fact that maps don’t have defined iteration orders - you should be able to call .asIterable() or .asSequence() and perform your reduction on that instead

[Shawn]

also I think your lambda syntax might be a bit jumbled

[Rruiz]

the syntax was just to ilustrate the idea, thanks for the info!!

[raulraja]

@Rruiz You can fold maps with Arrow both in a left and and right associative fashion https://arrow-kt.io/docs/apidocs/arrow-extras/arrow.data/-map-k/index.html

[raulraja]

You can use the extension to get top level access also to many more methods derived from Foldable https://arrow-kt.io/docs/apidocs/arrow-extras-extensions/arrow.data.extensions.mapk.foldable/arrow.-kind/index.html

[Rruiz]

thanks Raul, I'll give it a try!

[raulraja]

@Rruiz sounds good, if you run into any issues we are here to help.