O'Reilly logo

Swift Functional Programming - Second Edition by Dr. Fatih Nayebi

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Visitor pattern

The visitor pattern is a behavioral pattern that allows us to define new operations without changing the classes of the elements on which they operate.

FP makes functions independent of object changes.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required