KiGi

public struct CustomHashable<T>: Hashable {
    
    public let value: T
    
    public typealias HashCalculator = (CustomHashable<T>, inout Hasher) -> Void
    public typealias EqualityCalculator = (CustomHashable<T>, CustomHashable<T>) -> Bool
    public typealias CacheTransformedData = (T) -> Any?
    
    private let hashCalculator: HashCalculator
    private let equalityCalculator: EqualityCalculator