
If you’ve come to Swift from a language that doesn’t use optionals, you might find the concept a little strange and the syntax unfamiliar at first. Sometimes it helps to learn the unfamiliar with something familiar – in my lightning tour…
In studying Swift initially, I was quite interested to read about concepts that I wasn’t familiar with, and curious to know if these were brand new concepts invented by excited Apple engineers, or if they were inspired from other other languages.…