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jeetdholakia/swift_optional_unwrapping.swift

Created April 27, 2020 10:55
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Unwrapping optionals in swift
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swift_optional_unwrapping.swift
let optionalNumber = Int("365")
// The optionalNumber is an optional Int
let unwrappedNumber = optionalNumber!
// The unwrappedNumber is Int and has a value of 365
let optionalFirstName = ["firstName": "Jeet", "lastName": "Smith"]["firstName"]
// The optionalNumber is an optional String
let unwrappedFirstName = optionalFirstName!
// The unwrappedNumber is String and has a value of "Jeet"
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