About Phantom Types

Let’s say we have to call an external SDK in order to perform any kind of work. This SDK requires a token, and this token is a String.

About Arithmetic Expressions

Some days ago I watched this episode from PointFree , and I wanted to come over with a couple of exercises playing with the arithmetic expression of the exercise.

Highly Composable Validators

How many times, we need to validate a form, get usable errors for that validation rules, validate some user data while the user inputs it…

Copying objects in Swift

How many times, working with structs, we want to grab a copy, mutate one value, and then return the mutated value. The traditional way of do this, always has been the next lines of code:

Xcode at scale - Final conclusions

This is the last step of a serie named iOS at Scale based on the next steps: