Brian Kracoff briankracoff
briankracoff
/ CircleBlog_ThreadingIssues_Issue.swift
Last active
April 3, 2017 13:16
https://medium.com/p/7d373c67c125/
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| class ViewController: UIViewController { | |
| var myDogs: [Dog] = [] | |
| func fetchMyDogs() { | |
| // Faking a network call | |
| DispatchQueue.background.async { | |
| self.myDogs = [Dog(name: “Charlie”), Dog(name: “Sam”)] | |
| } | |
| } |
briankracoff
/ CircleBlog_ThreadingIssues_Sorting.swift
Last active
April 3, 2017 13:16
https://medium.com/p/7d373c67c125/
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| func sortDogs() { | |
| DispatchQueue.main.async { | |
| // do a GET on the main thread | |
| let unsortedDogs = self.myDogs | |
| DispatchQueue.background.async { | |
| // sort on the background thread | |
| let sortedDogs = unsortedDogs.sorted { $0.name < $1.name } | |
| DispatchQueue.main.async { |
briankracoff
/ CircleBlog_ThreadingIssues_FixedIssue.swift
Last active
April 3, 2017 13:16
https://medium.com/p/7d373c67c125/
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| func fetchMyDogs() { | |
| // Faking a network call | |
| DispatchQueue.background.async { | |
| DispatchQueue.main.async { | |
| self.myDogs = [Dog(name: “Charlie”), Dog(name: “Sam”)] | |
| } | |
| } | |
| } |
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| -----BEGIN PGP PUBLIC KEY BLOCK----- | |
| Version: Mailvelope v0.12.0 | |
| Comment: https://www.mailvelope.com | |
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| typealias EmptyResult = Result<Empty?, Empty?> | |
| typealias StandardResult = Result<Empty?, String?> | |
| enum Result<T, U> { | |
| typealias SuccessType = T | |
| typealias FailureType = U | |
| case Success(Box<SuccessType>) | |
| case Failure(Box<FailureType>) |