Removing side effects can improve composition... T...

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[stojan]

Removing side effects can improve composition... The Red Book helps me see code from a different perspective so I wrote about it: https://lordraydenmk.github.io//2019/side-effects-and-composition/

[trevjones]

small typo The return type is Pair<List<Coffee, Charge>> containing a list of purchased coffees and a single charge for all of them. -> Pair<List<Coffee>, Charge>

[stojan]

Will fix, thanks