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JadenGeller/Default.swift

Last active November 7, 2017 18:52
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Optional Default Raw
Raw
Default.swift
extension Optional {
subscript (default value: Wrapped) -> Wrapped {
get {
return self ?? value
}
set {
self = newValue
}
}
}
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var foo: [String : [Int]] = [:]
foo["test"][default: []].append(3)
print(foo) // -> ["test": [3]]

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