Function checkASTStructure

src/DataTypes/DataTypeEnum.cpp:220–230

template class DataTypeEnum<Int16>;

static void checkASTStructure(const ASTPtr & child)
{
    const auto * func = child->as<ASTFunction>();
    if (!func
        || func->name != "equals"
        || func->parameters
        || !func->arguments
        || func->arguments->children.size() != 2)
        throw Exception(ErrorCodes::UNEXPECTED_AST_STRUCTURE, "Elements of Enum data type must be of form: "
                        "'name' = number, where name is string literal and number is an integer");
}

struct EnumElementLiterals
{