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iOS Enumerations and Optionals in Swift Introduction to Optionals Optional Binding

Ryan Forte
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Ryan Forte
iOS Development Techdegree Student 2,955 Points
Posted by Ryan Forte
.a{fill-rule:evenodd;}techdegree
Ryan Forte
iOS Development Techdegree Student 2,955 Points

optional binding not working

// optioinal binding


    let weatherDictionary: [String : [String : String]] = [
        "currently": ["temperature": "22.3"],
        "daily": ["temperature": "22.3"],
        "weekly": ["temperature": "22.3"]
]

    if let dailyWeather = weatherDictionary["daily"], let highTemperature = dailyWeather["temperature"] {
        print(highTemperature)
}

i get these errors come up: 4- expected decleration

  • variable used within its own intitial value

note: i have the latest version of xcode

Drew Carver
Drew Carver
5,189 Points
Drew Carver
Drew Carver
5,189 Points

I tried to reproduce this, and I don't see any errors in the code. What line are you getting that error on?

Greg Kaleka
Greg Kaleka
39,021 Points
Greg Kaleka
Greg Kaleka
39,021 Points

Copy/pasted your code and it worked fine for me as well.