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josipbernat/Collection-Extensions.swift

Created November 4, 2020 11:46
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Safe array access in swift let's you access index out of bounds without app crash
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Collection-Extensions.swift
extension Collection {
/// Returns the element at the specified index if it is within bounds, otherwise nil.
subscript (safe index: Index) -> Element? {
return indices.contains(index) ? self[index] : nil
}
}
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