Unmarshaling Factory

UnmarshalingFactory.swift

// From Bart Whiteley
public protocol UnmarshalingFactory: Marshal.ValueType {
    associatedtype ConvertibleType = Self
    
    static func createFromObject(object: MarshaledObject) throws -> ConvertibleType
}

extension UnmarshalingFactory {
    
    public static func value(object: Any) throws -> ConvertibleType {
        guard let convertedObject = object as? MarshaledObject else {
            throw Error.TypeMismatch(expected: MarshaledObject.self, actual: object.dynamicType)
        }
        return try Self.createFromObject(convertedObject)
    }
    
}