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ezura/CodePiece.swift

Last active July 19, 2016 14:14
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こんな感じで、使うまでに初期化されていることが保証できる + defer = 最後までに絶対に値が決まることが保証できる #swift #CodePiece
Raw
CodePiece.swift
func sample() {
let constValue: String
// error: constant 'constValue' used before being initialized
defer {
print(constValue)
}
// constValue = ""
}
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