// Copyright © 2022 Rangeproof Pty Ltd. All rights reserved.

import Foundation

extension Optional {
    public func map<U>(_ transform: (Wrapped) throws -> U?) rethrows -> U? {
        switch self {
            case .some(let value): return try transform(value)
            default: return nil
        }
    }
    
    public func asType<R>(_ type: R.Type) -> R? {
        switch self {
            case .some(let value): return (value as? R)
            default: return nil
        }
    }
    
    public func defaulting(to value: Wrapped) -> Wrapped {
        return (self ?? value)
    }
}