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iOS Intermediate Swift Extensions and Protocols Extending a Native Type

Harris Ryder
Harris Ryder
1,333 Points
Posted by Harris Ryder
Harris Ryder
1,333 Points

Stuck on this task, I think Im quite close but dont quite know what its asking for, Thanks!

Ive watched the video many times and I am still stuck on the problem, I think my issue is understanding the question

types.swift 
// Enter your code below

extension String {

var add: Int {

     return Int(self)! + 1


}

"1".add





}

1 Answer

vinona weil
seal-mask
.a{fill-rule:evenodd;}techdegree
vinona weil
Front End Web Development Techdegree Student 1,224 Points
vinona weil
.a{fill-rule:evenodd;}techdegree
vinona weil
Front End Web Development Techdegree Student 1,224 Points

// Enter your code below extension String { func add(number: Int) -> Int? { guard let convertedNumber = Int(self) else { return nil } return convertedNumber + number } }