System.Collections referenced by default

Author: adoconnection

RazorEngineCore/RazorEngineCompilationOptions.cs

@@ -16,7 +16,9 @@ public class RazorEngineCompilationOptions
 
         public HashSet<string> DefaultUsings { get; set; } = new HashSet<string>()
         {
-            "System.Linq"
+            "System.Linq",
+            "System.Collections",
+            "System.Collections.Generic"
         };
 
         public RazorEngineCompilationOptions()
@@ -32,6 +34,8 @@ public RazorEngineCompilationOptions()
                     Assembly.Load(new AssemblyName("Microsoft.CSharp, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")),
                     typeof(RazorEngineTemplateBase).Assembly,
                     typeof(System.Runtime.GCSettings).Assembly,
+                    typeof(System.Collections.IList).Assembly,
+                    typeof(System.Collections.Generic.IEnumerable<>).Assembly,
                     typeof(System.Linq.Enumerable).Assembly,
                     typeof(System.Linq.Expressions.Expression).Assembly,
                     Assembly.Load(new AssemblyName("netstandard, Version=2.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51"))
@@ -46,6 +50,8 @@ public RazorEngineCompilationOptions()
                     Assembly.Load(new AssemblyName("Microsoft.CSharp")),
                     typeof(RazorEngineTemplateBase).Assembly,
                     Assembly.Load(new AssemblyName("System.Runtime")),
+                    typeof(System.Collections.IList).Assembly,
+                    typeof(System.Collections.Generic.IEnumerable<>).Assembly,
                     Assembly.Load(new AssemblyName("System.Linq")),
                     Assembly.Load(new AssemblyName("System.Linq.Expressions")),
                     Assembly.Load(new AssemblyName("netstandard"))
@@ -60,6 +66,8 @@ public RazorEngineCompilationOptions()
                     Assembly.Load(new AssemblyName("Microsoft.CSharp")),
                     typeof(RazorEngineTemplateBase).Assembly,
                     Assembly.Load(new AssemblyName("System.Runtime")),
+                    typeof(System.Collections.IList).Assembly,
+                    typeof(System.Collections.Generic.IEnumerable<>).Assembly,
                     Assembly.Load(new AssemblyName("System.Linq")),
                     Assembly.Load(new AssemblyName("System.Linq.Expressions")),
                     Assembly.Load(new AssemblyName("netstandard"))