Internal tech talk about variance
This project was created from scala/hello-world.g8
Barbara Liskov
https://de.wikipedia.org/wiki/Barbara_Liskov https://en.wikipedia.org/wiki/Barbara_Liskov https://ru.wikipedia.org/wiki/Лисков,_Барбара
Liskovs Substitution Principle (LSP)
https://en.wikipedia.org/wiki/Liskov_substitution_principle https://de.wikipedia.org/wiki/Liskovsches_Substitutionsprinzip https://ru.wikipedia.org/wiki/Принцип_подстановки_Барбары_Лисков
Scala Type Hierarchie https://docs.scala-lang.org/tour/unified-types.html
Functional Programming Principles in Scala
https://www.coursera.org/learn/progfun1/home/week/4
https://en.wikipedia.org/wiki/Covariance_and_contravariance_(computer_science)
https://www.coursera.org/lecture/progfun1/lecture-4-4-variance-optional-dnreZ
https://www.youtube.com/watch?v=r8hbyakD2Uo
“Essential Scala Noel Welsh and Dave Gurnell Version 1.3, April 2017” Excerpt From: Noel Welsh and Dave Gurnell. “Essential Scala”. Apple Books. https://underscore.io/books/essential-scala/