System.Data.Entity.Core.Objects.ELinq.ExpressionConverter.CheckInitializerType C# (CSharp) Method

        private void CheckInitializerType(Type type)
        {
            // nominal types are not supported
            TypeUsage typeUsage;
            if (_funcletizer.RootContext.Perspective.TryGetType(type, out typeUsage))
            {
                var typeKind = typeUsage.EdmType.BuiltInTypeKind;
                if (BuiltInTypeKind.EntityType == typeKind
                    ||
                    BuiltInTypeKind.ComplexType == typeKind)
                {
                    throw new NotSupportedException(
                        Strings.ELinq_UnsupportedNominalType(
                            typeUsage.EdmType.FullName));
                }
            }

            // types implementing IEnumerable are not supported
            if (TypeSystem.IsSequenceType(type))
            {
                throw new NotSupportedException(
                    Strings.ELinq_UnsupportedEnumerableType(
                        DescribeClrType(type)));
            }
        }