Put any numeral between two intervals, exactly like a numeric compass [0° <-> 360°] behavior.

Numeric+Normalization.swift

extension Numeric where Self: Comparable /* NORMALIZER */ {
    
    
    /// normalize the current value between a min and a max interval, by adding optionaly a value. this works just like the compass normalization. for Ex, 357°, by adding +4 became 1° for [0 - 360] interval
    ///
    /// - Parameters:
    ///   - value: the value to add
    ///   - min: the minimum interval
    ///   - max: the maximum interval
    /// - Returns: the new, transformed and normalized value
    func norm(byAdding value: Self,_ min: Self = 0, _ max: Self = 360) -> Self {
        let this = self + value
        return this.norm(min, max)
    }
    
    /// normalize the current value between a min and a max interval. This works just like the compass normalization. for Ex, -1° became 359° for [0 - 360] interval
    ///
    /// - Parameters:
    ///   - min: the minimum interval
    ///   - max: the maximum interval
    /// - Returns: the new, transformed and normalized value
    func norm(_ min: Self = 0, _ max: Self = 360) -> Self {
        var this = self
        while this < min {
            this += max
        }
        while this > max {
            this -= max
        }
        return this
    }
}