chore: import upstream snapshot with attribution

Operators/Lib/string/datetime/StringToDateTime.cs

@@ -0,0 +1,49 @@
+namespace Lib.@string.datetime;
+
+[Guid("a78a07f8-cf75-4a72-8952-b9ba40d6983f")]
+internal sealed class StringToDateTime : Instance<StringToDateTime>, IStatusProvider
+{
+    [Output(Guid = "8D2981DD-AC26-4CC0-8646-DEFB7196085C")]
+    public readonly Slot<DateTime> Output = new();
+        
+
+    public StringToDateTime()
+    {
+        Output.UpdateAction += Update;
+    }
+
+    private void Update(EvaluationContext context)
+    {
+        var dateString = DateString.GetValue(context);
+        if (DateTime.TryParse(dateString, out var dateTime))
+        {
+            Output.Value = dateTime;
+            _lastStatusError = null;
+        }
+        else
+        {
+            _lastStatusError = $"Failed to parse {dateString} into DateTime";
+        }
+    }
+
+    private string _lastStatusError;
+
+    // [Input(Guid = "d4f58293-ac29-4dee-8a66-a56724bf7006")]
+    // public readonly InputSlot<DateTime> Value = new InputSlot<DateTime>();
+
+    [Input(Guid = "5F92445D-9234-420E-919D-21CDB6FB587D")]
+    public readonly InputSlot<string> DateString = new();
+        
+    // [Input(Guid = "62d27f4c-ce64-497b-bca6-5a36bfd4232c")]
+    // public readonly InputSlot<string> Format = new InputSlot<string>();
+
+    public IStatusProvider.StatusLevel GetStatusLevel()
+    {
+        return string.IsNullOrEmpty(_lastStatusError) ? IStatusProvider.StatusLevel.Success : IStatusProvider.StatusLevel.Warning;
+    }
+
+    public string GetStatusMessage()
+    {
+        return _lastStatusError;
+    }
+}