public static Result <TIn> ToResult <TIn>(this Maybe <TIn> maybe, Result.Error error) where TIn : class
{
if (maybe.HasNoValue)
{
return(Result.Fail <TIn>(error));
}
return(Result.Ok(maybe.Value));
}
public static Result <string> EnsureNotNullOrWhiteSpace(this Maybe <string> maybe, Result.Error error)
{
return(maybe.ToResult(error)
.Ensure(name => !string.IsNullOrWhiteSpace(name), error));
}
public static Result <T> Ensure <T>(this Result <T> result, Func <T, bool> predicate, Result.Error error)
{
if (result.IsFailure)
{
return(result);
}
if (!predicate(result.Value))
{
return(Result.Fail <T>(error));
}
return(result);
}