Fix null reference error in evaluator

2018-12-07 15:17:24 +01:00
parent b0450d3bf5
commit f504a8706e
1 changed files with 5 additions and 1 deletions
--- a/Upsilon/Evaluator/Evaluator.cs
+++ b/Upsilon/Evaluator/Evaluator.cs
@@ -632,7 +632,11 @@ namespace Upsilon.Evaluator
                while (enumerator.MoveNext())
                {
                    var current = enumerator.Current;
-                    if (current == null || current.Type != Type.Table)
+                    if (current == null)
+                    {
+                        throw new Exception($"Can't assign result value of nothing to multiple values");
+                    }
+                    if (current.Type != Type.Table)
                    {
                        throw new Exception($"Can't assign result value with type '{current.Type}' to multiple values");
                    }