In Swift 4.1, the flatMap function was divided into two functions. One kept the same name: flatMap This method flattens a sequence. Let’s say we have a two-dimensional array: We can use the flatMap higher order function to ‘flatten’ this…
In Swift 4.1, the flatMap function was divided into two functions. One kept the same name: flatMap This method flattens a sequence. Let’s say we have a two-dimensional array: We can use the flatMap higher order function to ‘flatten’ this…
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.…