Swift extensions for floating point and integer range clamping (swift, clamp)

Clamp.swift

//
//  Clamp.swift
//
//  Created by Darren Ford on 6/7/20.
//  Copyright © 2020 Darren Ford. All rights reserved.
//

import Foundation

public extension ExpressibleByIntegerLiteral where Self: FloatingPoint {
  
   // Regular range  x..<y

   @inlinable func clamped(to range: Range<Self>) -> Self {
      let upper = range.upperBound.nextDown
      return min(max(self, range.lowerBound), upper)
   }

   @inlinable mutating func clamping(to range: Range<Self>) {
      self = self.clamped(to: range)
   }

   // Range up to  ..<y

   @inlinable func clamped(to range: PartialRangeUpTo<Self>) -> Self {
      return min(self, range.upperBound.nextDown)
   }

   @inlinable mutating func clamping(to range: PartialRangeUpTo<Self>) {
      self = self.clamped(to: range)
   }
}

public extension ExpressibleByIntegerLiteral where Self: Strideable {
  
   // Regular range  x..<y

   @inlinable func clamped(to range: Range<Self>) -> Self {
      let upper = range.upperBound.advanced(by: -1)
      return min(max(self, range.lowerBound), upper)
   }

   @inlinable mutating func clamping(to range: Range<Self>) {
      self = self.clamped(to: range)
   }

   // Range up to  ..<y

   @inlinable func clamped(to range: PartialRangeUpTo<Self>) -> Self {
      return min(self, range.upperBound.advanced(by: -1))
   }

   @inlinable mutating func clamping(to range: PartialRangeUpTo<Self>) {
      self = self.clamped(to: range)
   }
}

public extension ExpressibleByIntegerLiteral where Self: Comparable {
  
   // Closed range  x...y

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

   @inlinable mutating func clamping(to range: ClosedRange<Self>) {
      self = self.clamped(to: range)
   }

   // Partial range through  ...y

   @inlinable func clamped(to range: PartialRangeThrough<Self>) -> Self {
      return min(range.upperBound, self)
   }

   @inlinable mutating func clamping(to range: PartialRangeThrough<Self>) {
      self = self.clamped(to: range)
   }

   // Partial range from  x...

   @inlinable func clamped(to range: PartialRangeFrom<Self>) -> Self {
      return max(range.lowerBound, self)
   }

   @inlinable mutating func clamping(to range: PartialRangeFrom<Self>) {
      self = self.clamped(to: range)
   }
}