bantflags/BantFlags/Data/ResultT.cs

// (C) Copyright 2019 C-xC-c <boku@plum.moe>
// This file is part of BantFlags.
// BantFlags is licensed under the GNU AGPL Version 3.0 or later.
// see the LICENSE file or <https://www.gnu.org/licenses/>
using System;

namespace BantFlags.Data
{
    public struct Result<T>
    {
        public bool Failed { get; private set; }

        public string ErrorMessage { get; private set; }

        private T _Value { get; set; }

        public T Value => Failed ? throw new Exception() : _Value;

        public Result(bool failed, string error, T value)
        {
            Failed = failed;
            ErrorMessage = error;
            _Value = value;
        }

        public static Result<T> Pass(T value) => new Result<T>(false, default, value);

        public static Result<T> Fail(string error) => new Result<T>(true, error, default);
    }
}