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Add getOrNil extension to Array #3

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Add getOrNil extension to Array #3

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11 changes: 11 additions & 0 deletions Extended/Classes/Array.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -30,4 +30,15 @@ extension Array {
}
return array
}


/// Retrieves the element at the given index or nil if the index is invalid
func getOrNil(_ index: Int) -> Element? {
if 0 ..< self.count ~= index {
return self[index]
} else {
return nil
}
}

}