namespace Chernobyl.Creation
{
    /// <summary>
    /// Upcasts the <typeparamref name="TFromResult"/> result from a
    /// <see cref="IFactory{T1, TFromResult}"/> to a <typeparamref name="TToResult"/>
    /// result.
    /// </summary>
    /// <typeparam name="T1">The type of the 1.</typeparam>
    /// <typeparam name="TFromResult">The type of from result.</typeparam>
    /// <typeparam name="TToResult">The type of to result.</typeparam>
    public class ResultUpcastFactory<T1, TFromResult, TToResult>
        : ResultConversionFactory<T1, TFromResult, TToResult>
        where TFromResult : TToResult
    {
        /// <summary>
        /// Initializes a new instance of the
        /// <see cref="ResultConversionFactory{T1, TFromResult, TToResult}"/> class.
        /// </summary>
        /// <param name="fromFactory">The instance whose result is to be converted.</param>
        public ResultUpcastFactory(IFactory<T1, TFromResult> fromFactory)
            : base(fromFactory, result => result)
        { }
    }
}