Overlapping accesses to 'urlComponents', but modification requires exclusive access

Question

I am trying to use the Lyft API with iOS 11 and Swift 4, and am receiving an error on the second line, which is

Overlapping accesses to \'urlComponen

Answer 1

I guess you need to set first to a local variable and then change it , try this:

var urlComponents = URLComponents(url: mutableURLRequest.url!, resolvingAgainstBaseURL: false) 
var localVariable = urlComponents 
urlComponents?.queryItems = (localVariable?.queryItems ?? []) + queryItems