import Foundation

struct ContentError: Error {

    let reason: String

    let source: String

    let error: Error?
}

extension Optional {

    func unwrapped(or error: ContentError) throws -> Wrapped {
        guard case let .some(value) = self else {
            throw error
        }
        return value
    }

    func unwrapOrFail(_ reason: String, source: String, error: Error? = nil) throws -> Wrapped {
        guard case let .some(value) = self else {
            throw ContentError(reason: reason, source: source, error: error)
        }
        return value
    }
}