+ if (a.IsGenericParameter && b.IsGenericParameter) {
+ if ((a.DeclaringMethod == null) || (b.DeclaringMethod == null))
+ return false;
+ return a.GenericParameterPosition == b.GenericParameterPosition;
+ }
+
+ if (a.IsArray && b.IsArray) {
+ if (a.GetArrayRank () != b.GetArrayRank ())
+ return false;
+ return IsEqual (a.GetElementType (), b.GetElementType ());
+ }
+
+ if (a.IsGenericInstance && b.IsGenericInstance) {
+ Type at = a.GetGenericTypeDefinition ();
+ Type bt = b.GetGenericTypeDefinition ();
+
+ if (a.GetGenericTypeDefinition () != b.GetGenericTypeDefinition ())
+ return false;
+
+ Type[] aargs = a.GetGenericArguments ();
+ Type[] bargs = b.GetGenericArguments ();
+
+ if (aargs.Length != bargs.Length)
+ return false;
+
+ for (int i = 0; i < aargs.Length; i++) {
+ if (!IsEqual (aargs [i], bargs [i]))
+ return false;
+ }