Created
May 9, 2023 02:23
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Swift safe access to index of collection
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| extension Collection where Indices.Iterator.Element == Index { | |
| subscript (safe index: Index) -> Iterator.Element? { | |
| return indices.contains(index) ? self[index] : nil | |
| } | |
| } | |
| // let array = [0,1,2,3,4,5] | |
| // array[safe: 10] |
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