the book is great and applies to any language this...

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[nfrankel]

the book is great
and applies to any language
this week, i tried to use kotlin’s stdlib to write as few characters as possible to solve the problem
would appreciate any insight/improvement/comment
https://blog.frankel.ch/exercises-programming-style/3/

[Pavlo Liapota]

You can also write:

.groupingBy { it }
        .eachCount()

[Pavlo Liapota]

I believe it will be more readable if you call function minus instead of using - operator, so you will not need parenthesis around your expression.

[nfrankel]

thanks for your suggestions
i didn’t know about eachCount()
🙂