fix null ref in CreateList

SimonCropp · SimonCropp · commit a9515118142c · 2023-10-05T23:48:39.000+11:00
diff --git a/src/Microsoft.OpenApi.Readers/ParseNodes/ListNode.cs b/src/Microsoft.OpenApi.Readers/ParseNodes/ListNode.cs
@@ -25,8 +25,7 @@ public override List<T> CreateList<T>(Func<MapNode, T> map)
         {
             if (_nodeList == null)
             {
-                throw new OpenApiReaderException(
-                    $"Expected list at line {_nodeList.Start.Line} while parsing {typeof(T).Name}", _nodeList);
+                throw new OpenApiReaderException($"Expected list while parsing {typeof(T).Name}");
             }
 
             return _nodeList.Select(n => map(new(Context, n as YamlMappingNode)))

Original file line number	Diff line number	Diff line change
`@@ -25,8 +25,7 @@ public override List<T> CreateList<T>(Func<MapNode, T> map)`
`25`	`25`	`{`
`26`	`26`	`if (_nodeList == null)`
`27`	`27`	`{`
`28`		`- throw new OpenApiReaderException(`
`29`		`- $"Expected list at line {_nodeList.Start.Line} while parsing {typeof(T).Name}", _nodeList);`
	`28`	`+ throw new OpenApiReaderException($"Expected list while parsing {typeof(T).Name}");`
`30`	`29`	`}`
`31`	`30`
`32`	`31`	`return _nodeList.Select(n => map(new(Context, n as YamlMappingNode)))`