Comment by codemonkey-zeta

> “You didn’t solve anything! Doing validation is complex and you just magic wanded it away by designing a perfect interface for it.” Yes. Exactly. That is what interfaces are supposed to do. Better semantics make it possible for the programmer to describe what the element does, and for someone else to take care of the details for them.

Gosh I couldn't agree more, what a wonderfully succinct way to communicate what I spend a ridiculous amount of time trying to explain to my colleagues when designing programs!

[EDIT]: I just realized I had read this on one of the linked articles https://unplannedobsolescence.com/blog/behavior-belongs-in-h...