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14 lines
438 B
Swift
14 lines
438 B
Swift
struct Extent<T: AdditiveArithmetic>: Equatable {
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var top: T, bottom: T, left: T, right: T
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@inline(__always) static func == (lhs: Self, rhs: Self) -> Bool {
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lhs.left == rhs.left && lhs.right == rhs.right && lhs.top == rhs.top && lhs.bottom == rhs.bottom
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}
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}
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extension Extent where T: Comparable {
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var size: Size<T> { .init(
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right > left ? right - left : left - right,
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bottom > top ? bottom - top : top - bottom) }
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}
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