`any` and `some` duality

This maintains proposals for changes and user-visible enhancements to the Swift Programming Language. - swift-evolution/proposals/0244-opaque-result-types.md at b1caeccf5d273a1cc53b331d41ea169f7729...

#dual #via-dalton-claybrook #generics #swift #swift-evolution

·github.com·Jul 1, 2019

`any` and `some` duality

Lenses (and Prisms) in Swift

http://2015.funswiftconf.com

#swift #lenses #functional #brandon-williams #dual #prisms

·youtube.com·Dec 3, 2016

Lenses (and Prisms) in Swift