Add FolderProvider

Toolkit.Foundation/Result.cs

@@ -12,3 +12,22 @@ public record Result<TValue> :
 
     public static implicit operator Result<TValue>(TValue? value) => Create(value);
 }
+
+
+public record Result(bool IsSuccess, Error Error)
+{
+    public bool IsFailure => !IsSuccess;
+
+    public static Result Success() => new(true, Error.None);
+
+    public static Result<TValue> Success<TValue>(TValue value) => new(value, true, Error.None);
+
+    public static Result Failure(Error error) => new(false, error);
+
+    public static Result<TValue> Failure<TValue>(Error error) => new(default, false, error);
+
+    public static Result Create(bool condition) => condition ? Success() : Failure(Error.ConditionNotMet);
+
+    public static Result<TValue> Create<TValue>(TValue? value) => value is not null ? Success(value) : Failure<TValue>(Error.Null);
+
+}