8 Answered Questions

12 Answered Questions

[SOLVED] What is an optional value in Swift?

  • 2014-06-02 21:32:29
  • Tim Vermeulen
  • 125782 View
  • 242 Score
  • 12 Answer
  • Tags:   swift optional

13 Answered Questions

[SOLVED] Uses for Optional

22 Answered Questions

[SOLVED] What does an exclamation mark mean in the Swift language?

8 Answered Questions

5 Answered Questions

[SOLVED] Should Java 8 getters return optional type?

5 Answered Questions

[SOLVED] When should I compare an optional value to nil?

18 Answered Questions

[SOLVED] Why should Java 8's Optional not be used in arguments

  • 2015-08-10 14:58:00
  • Neil Stevens
  • 108500 View
  • 285 Score
  • 18 Answer
  • Tags:   java java-8 optional

0 Answered Questions

2 Answered Questions

2 Answered Questions

[SOLVED] Two (or more) optionals in Swift

  • 2014-12-01 09:26:00
  • Sherekan
  • 918 View
  • 15 Score
  • 2 Answer
  • Tags:   ios swift optional

1 Answered Questions

[SOLVED] Swift variable decorations with "?" (question mark) and "!" (exclamation mark)

  • 2014-06-09 14:36:45
  • Jason Renaldo
  • 22785 View
  • 98 Score
  • 1 Answer
  • Tags:   swift optional

6 Answered Questions

[SOLVED] Optional orElse Optional in Java

2 Answered Questions

[SOLVED] In Swift, how do I avoid both optionals and nil object references?

4 Answered Questions

[SOLVED] Swift 3 optional escaping closure parameter

6 Answered Questions

[SOLVED] Difference between `Optional.orElse()` and `Optional.orElseGet()`

6 Answered Questions

8 Answered Questions

[SOLVED] unwrapping multiple optionals in if statement

  • 2014-07-03 08:44:38
  • LeonS
  • 26758 View
  • 60 Score
  • 8 Answer
  • Tags:   swift optional

4 Answered Questions

[SOLVED] Get value from one Optional or another

  • 2014-07-06 20:22:21
  • Feuermurmel
  • 21369 View
  • 42 Score
  • 4 Answer
  • Tags:   java java-8 optional

5 Answered Questions

4 Answered Questions

[SOLVED] Why is main window of type double optional?

1 Answered Questions

[SOLVED] What happened to the UIView?() constructor in Swift 3.0?

1 Answered Questions

[SOLVED] Optional chaining in Swift Closure where return type has to be Void

4 Answered Questions

[SOLVED] Why use Optional.of over Optional.ofNullable?

4 Answered Questions

[SOLVED] How do you unwrap Swift optionals?

  • 2014-08-08 03:16:47
  • ktzhang
  • 14801 View
  • 14 Score
  • 4 Answer
  • Tags:   swift optional

5 Answered Questions

[SOLVED] Are parameters in strings.xml possible?

9 Answered Questions

[SOLVED] Downcasting optionals in Swift: as? Type, or as! Type?

4 Answered Questions

[SOLVED] Providing a default value for an Optional in Swift?

  • 2014-06-07 17:46:16
  • Wes Campaigne
  • 52334 View
  • 118 Score
  • 4 Answer
  • Tags:   swift optional

9 Answered Questions

2 Answered Questions

[SOLVED] How to determine if a generic is an optional in Swift?