Interface IErrorFactory<TSelf>

Namespace

REslava.Result

Assembly

REslava.Result.dll

Opt-in interface that enables generic error construction via a static factory method. Implement on custom error types to participate in Result.Fail<TError>(string).

public interface IErrorFactory<TSelf> where TSelf : IErrorFactory<TSelf>

Type Parameters

TSelf

The implementing error type (CRTP pattern).

Examples

// Instead of: Result<User>.Fail(new NotFoundError("User not found"))
// You can write:
Result<User>.Fail<NotFoundError>("User not found");

// Useful in generic code:
Result<T> NotFound<T, TError>(string message) where TError : IErrorFactory<TError>
    => Result<T>.Fail(TError.Create(message));

Methods

Create(string)

Creates an instance of TSelf with the given message.

public static abstract TSelf Create(string message)

Parameters

message string

Returns

TSelf