Comparable Clamp

ComparableClamp.swift

import Foundation

extension Comparable {
  func clampFrom(min minValue: Self, to maxValue: Self) -> Self {
    let clampedToMin = [minValue, self].max() ?? minValue
    let clampedToBoth = [clampedToMin, maxValue].min() ?? maxValue
    return clampedToBoth
  }
}

var float = Float(0.5)

print(float.clampFrom(min: 0.5, to: 1)) //No effect, value is within range
float += 0.6 //Value is increased beyond range
print(float.clampFrom(min: 0.5, to: 1)) //Would be 1.1, now clamped to 1.0
print((float + 0.6).clampFrom(min: 1, to: 1.5)) //Would be 1.7, now clamped to 1.5