extensions rework pt1

2026-07-13 22:20:47 +04:00
parent 46487a4794
commit 0e7986996f
30 changed files with 1476 additions and 160 deletions
@@ -0,0 +1,98 @@
+namespace Just.Railway.ValueTaskExtensions;
+
+public static partial class ResultValueTaskExtensions
+{
+    #region Finally
+
+    public static async ValueTask<Result> ValueTaskFinally(this ValueTask<Result> resultTask, Action action)
+    {
+        var result = await resultTask;
+        switch (result.State)
+        {
+            case ResultState.Success: 
+            case ResultState.Error:
+                action.Invoke();
+                break;
+
+            default: throw new ResultNotInitializedException(nameof(resultTask));
+        }
+
+        return result;
+    }
+    public static async ValueTask<Result> ValueTaskFinally(this Result result, Func<ValueTask> action)
+    {
+        switch (result.State)
+        {
+            case ResultState.Success: 
+            case ResultState.Error:
+                await action.Invoke();
+                break;
+
+            default: throw new ResultNotInitializedException(nameof(result));
+        }
+
+        return result;
+    }
+    public static async ValueTask<Result> ValueTaskFinally(this ValueTask<Result> resultTask, Func<ValueTask> action)
+    {
+        var result = await resultTask;
+        switch (result.State)
+        {
+            case ResultState.Success: 
+            case ResultState.Error:
+                await action.Invoke();
+                break;
+
+            default: throw new ResultNotInitializedException(nameof(resultTask));
+        }
+
+        return result;
+    }
+ 
+    #endregion
+
+    #region ValueOr
+
+
+    public static async ValueTask<T> ValueTaskValueOr<T>(this ValueTask<Result<T>> resultTask, T fallback)
+    {
+        var result = await resultTask.ConfigureAwait(false);
+        return result.State switch
+        {
+            ResultState.Success => result.Value,
+            ResultState.Error => fallback,
+            _ => throw new ResultNotInitializedException(nameof(resultTask))
+        };
+    }
+    public static async ValueTask<T> ValueTaskValueOr<T>(this Result<T> result, Func<Error, ValueTask<T>> fallback)
+    {
+        return result.State switch
+        {
+            ResultState.Success => result.Value,
+            ResultState.Error => await fallback(result.Error!).ConfigureAwait(false),
+            _ => throw new ResultNotInitializedException(nameof(result))
+        };
+    }
+    public static async ValueTask<T> ValueTaskValueOr<T>(this ValueTask<Result<T>> resultTask, Func<Error, T> fallback)
+    {
+        var result = await resultTask.ConfigureAwait(false);
+        return result.State switch
+        {
+            ResultState.Success => result.Value,
+            ResultState.Error => fallback(result.Error!),
+            _ => throw new ResultNotInitializedException(nameof(resultTask))
+        };
+    }
+    public static async ValueTask<T> ValueTaskValueOr<T>(this ValueTask<Result<T>> resultTask, Func<Error, ValueTask<T>> fallback)
+    {
+        var result = await resultTask.ConfigureAwait(false);
+        return result.State switch
+        {
+            ResultState.Success => result.Value,
+            ResultState.Error => await fallback(result.Error!).ConfigureAwait(false),
+            _ => throw new ResultNotInitializedException(nameof(resultTask))
+        };
+    }
+
+    #endregion
+}