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// This file is based largely on the Runtime package - https://github.com/wickwirew/Runtime

extension KeyPath {
    
    var fieldName: String? {
        guard let offset = MemoryLayout<Root>.offset(of: self) else {
            return nil
        }
        let typePtr = unsafeBitCast(Root.self, to: UnsafeMutableRawPointer.self)
        let metadata = typePtr.assumingMemoryBound(to: StructMetadata.self)

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extension Comparable {
    
    func clamped(to range: ClosedRange<Self>) -> Self {
        return max(min(self, range.upperBound), range.lowerBound)
    }
    
    func clamped(to range: PartialRangeFrom<Self>) -> Self {
        return max(self, range.lowerBound)
    }
    

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public func hash_combine(seed: inout Int, value: Int) {
    if MemoryLayout<Int>.size == 64 {
        // 64 bit hash_combine
        let mul: UInt64 = 0x9ddfea08eb382d69
        let s = UInt64(bitPattern: Int64(seed))
        let v = UInt64(bitPattern: Int64(value))
        var a = (v ^ s) &* mul
        a ^= (a >> 47)
        var b = (s ^ a) &* mul
        b ^= (b >> 47)