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  • Linus Karlsson
    Linus Karlsson
    7,402 Points

    error: nil is incompatible with return type 'Friend' ???

    Posted March 16, 2018 10:01am by Linus Karlsson
    Linus Karlsson
    7,402 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Downsides to Using If Let

    1 Answer

  • Joseph Pizzo
    PLUS
    Joseph Pizzo
    Courses Plus Student 1,684 Points

    Downsides to using Let- !Use of unresolved identifier 'address'

    Posted January 17, 2018 9:05pm by Joseph Pizzo
    Joseph Pizzo
    Courses Plus Student 1,684 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Downsides to Using If Let

    1 Answer

  • Lana Wong
    Lana Wong
    3,968 Points

    Can you use dictionary keys when you have not created a value?

    Posted July 25, 2017 7:25am by Lana Wong
    Lana Wong
    3,968 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Downsides to Using If Let

    2 Answers

  • Ken Mueller
    seal-mask
    .a{fill-rule:evenodd;}techdegree
    Ken Mueller
    iOS Development Techdegree Student 8,160 Points

    Why unwrap non-optionals using if-let?

    Posted January 31, 2017 4:35pm by Ken Mueller
    .a{fill-rule:evenodd;}techdegree
    Ken Mueller
    iOS Development Techdegree Student 8,160 Points
    • iOS
    • Enumerations and Optionals in Swift
    • Introduction to Optionals
    • Downsides to Using If Let

    2 Answers

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