Hmm looks like just converting to `fold` wouldn't ...

# advent-of-code

[karelpeeters]

Hmm looks like just converting to fold wouldn't work for me either @andyb.

[karelpeeters]

Maybe propose your accumulate function in #stdlib?

[andyb]

I have added it to https://youtrack.jetbrains.com/issue/KT-7657 as it is a similar request.