Extensions On Optional String In Swift

Earlier today I was writing some code that looked like this:

I figured there had to be a cleaner way to express this. My initial thought process was to write an extension to String that does this. Very quickly though, I realized I need to extend Optional, not String.

So I came up with this:

This allows me to now write:

Much better!

Then I thought, there’s a way to make this even better for Optional<String> specifically. So I came up with this:

And voila! I can now write:

Way better!

Originally published at gopalkri.com on July 21, 2017.