/// <summary>
/// Creates a new instance of <see cref= "Continuation{TFail,TSuccess}" /> by invoking the <see cref="ContinuationModule.Reject{TFail}(TFail)"/> method.
/// </summary>
/// <typeparam name="TSuccess">Type of Success value</typeparam>
/// <typeparam name="TFail">Type of Fail value</typeparam>
/// <param name="fail">The input <see typeparamref="TFail"/> value.</param>
/// <returns>
/// A new instance of <see cref= "Continuation{TFail,TSuccess}" /> in Fail state.
/// </returns>
public static Continuation <TFail, TSuccess> AsContinuation <TFail, TSuccess>(this TFail fail)
=> ContinuationModule.Reject <TFail, TSuccess>(fail);
/// <summary>
/// Creates a new instance of <see cref= "Continuation{TFail,TSuccess}" /> by invoking the <see cref="ContinuationModule.Resolve{TFail, TSuccess}(TSuccess)"/> method.
/// </summary>
/// <typeparam name="TSuccess">Type of Success value</typeparam>
/// <typeparam name="TFail">Type of Fail value</typeparam>
/// <param name="value">The input <see typeparamref="TSuccess"/> value.</param>
/// <returns>
/// A new instance of <see cref= "Continuation{TFail,TSuccess}" /> in Success state.
/// </returns>
public static Continuation <TFail, TSuccess> AsContinuation <TFail, TSuccess>(this TSuccess value)
=> ContinuationModule.Resolve <TFail, TSuccess>(value);