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17 lines
303 B
Swift
17 lines
303 B
Swift
public struct BoundsCheckedArray<Element>: CollectionType {
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public init(array: [Element]) {
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self.array = array
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}
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let array: [Element]
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public let startIndex = 0
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public var endIndex: Int {
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return array.count
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}
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public subscript (i: Int) -> Element? {
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return i < count ? array[i] : nil
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}
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}
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