sirh3e/Rust

namespace Sirh3e.Rust.Result;

public readonly partial struct Result<TOk, TErr>
{
    /// <summary>
    /// 
    /// </summary>
    /// <param name="onOk"></param>
    /// <param name="onErr"></param>
    /// <exception cref="ArgumentNullException"></exception>
    public void Match(Action<TOk> onOk, Action<TErr> onErr)
    {
        if ( IsOk )
        {
            if ( onOk is null )
            {
                throw new ArgumentNullException(nameof(onOk));
            }

            onOk(_ok);
        }
        else
        {
            if ( onErr is null )
            {
                throw new ArgumentNullException(nameof(onErr));
            }

            onErr(_err);
        }
    }

    /// <summary>
    /// 
    /// </summary>
    /// <param name="onOk"></param>
    /// <param name="onErr"></param>
    /// <typeparam name="T"></typeparam>
    /// <returns></returns>
    /// <exception cref="ArgumentNullException"></exception>
    public T Match<T>(Func<TOk, T> onOk, Func<TErr, T> onErr)
    {
        if ( IsOk )
        {
            if ( onOk is null )
            {
                throw new ArgumentNullException(nameof(onOk));
            }

            return onOk(_ok);
        }

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

        return onErr(_err);
    }
}