sirh3e/Rust

namespace Sirh3e.Rust.Option;

public partial struct Option<TSome>
{
    public void Match(Action<TSome> onSome, Action onNone)
    {
        if ( IsSome )
        {
            if ( onSome is null )
            {
                throw new ArgumentNullException(nameof(onSome));
            }

            onSome(_some);
        }
        else
        {
            if ( onNone is null )
            {
                throw new ArgumentNullException(nameof(onNone));
            }

            onNone();
        }
    }

    private void Match(Action<TSome> onSome, Action<TSome> onNone)
    {
        if ( IsSome )
        {
            if ( onSome is null )
            {
                throw new ArgumentNullException(nameof(onSome));
            }

            onSome(_some);
        }
        else
        {
            if ( onNone is null )
            {
                throw new ArgumentNullException(nameof(onNone));
            }

            onNone(_some);
        }
    }

    public T Match<T>(Func<TSome, T> onSome, Func<T> onNone)
    {
        if ( IsSome )
        {
            if ( onSome is null )
            {
                throw new ArgumentNullException(nameof(onSome));
            }

            return onSome(_some);
        }

        if ( onNone is null )
        {
            throw new ArgumentNullException(nameof(onNone));
        }

        return onNone();
    }
}