System.Dynamic.Utils.TypeUtils.IsNumeric C# (CSharp) Method

        public static bool IsNumeric(this Type type)
        {
            type = GetNonNullableType(type);
            if (!type.GetTypeInfo().IsEnum)
            {
                switch (type.GetTypeCode())
                {
                    case TypeCode.Char:
                    case TypeCode.SByte:
                    case TypeCode.Byte:
                    case TypeCode.Int16:
                    case TypeCode.Int32:
                    case TypeCode.Int64:
                    case TypeCode.Double:
                    case TypeCode.Single:
                    case TypeCode.UInt16:
                    case TypeCode.UInt32:
                    case TypeCode.UInt64:
                        return true;
                }
            }
            return false;
        }