public static T ValueOrThrow <T>(this Fallible <T> source, Func <Exception, Exception> exceptionFactory)
{
if (source.IsSuccessful)
{
return(source.Value);
}
else
{
throw exceptionFactory(source.Exception);
}
}
public static void ToTaskCompletionSource <T>(this Fallible <T> source, TaskCompletionSource <T> tcs)
{
if (source.IsSuccessful)
{
tcs.SetResult(source.Value);
}
else
{
tcs.SetException(source.Exception);
}
}
public static TResult Select <TSource, TResult>(this Fallible <TSource> source, Func <TSource, TResult> success, Func <Exception, TResult> fail)
{
return(source.IsSuccessful ? success(source.Value) : fail(source.Exception));
}
public static Fallible <TResult> Select <TSource, TResult>(this Fallible <TSource> source, Func <TSource, TResult> success)
{
return(source.IsSuccessful ? Fallible.Success(success(source.Value)) : Fallible.Fail <TResult>(source.Exception));
}
public static TSource Coalesce <TSource>(this Fallible <TSource> source, Func <Exception, TSource> projection)
{
return(source.IsSuccessful ? source.Value : projection(source.Exception));
}
public static T ValueOrThrow <T>(this Fallible <T> source)
{
return(ValueOrThrow(source, ex => ex));
}