Created
December 31, 2021 11:50
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Get item with row and col from 1d array
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| extension Collection where Self.Index == Int { | |
| subscript(row: Int, col: Int, colCount: Int) -> Element? { | |
| let index = row * colCount + col | |
| guard index >= 0, index < count else { return nil } | |
| return self[index] | |
| } | |
| } |
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