20 lines
608 B
Swift
20 lines
608 B
Swift
extension FixedWidthInteger {
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init(bytes: [UInt8]) {
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self = bytes.withUnsafeBufferPointer {
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$0.baseAddress!.withMemoryRebound(to: Self.self, capacity: 1) {
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$0.pointee
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}
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}.bigEndian
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}
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var bytes: [UInt8] {
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let capacity = MemoryLayout<Self>.size
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var mutableValue = self.bigEndian
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return withUnsafePointer(to: &mutableValue) {
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return $0.withMemoryRebound(to: UInt8.self, capacity: capacity) {
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return Array(UnsafeBufferPointer(start: $0, count: capacity))
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}
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}
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}
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}
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