/// <summary>
/// Creates a first predicate operator query expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="source">The <see cref="Source"/> child node of the result.</param>
/// <param name="predicate">The <see cref="Predicate"/> child node of the result.</param>
/// <returns>This query expression if no children are changed or an expression with the updated children.</returns>
public FirstPredicateOperator Update(MonadMember source, QueryTree predicate)
{
if (source == Source && predicate == Predicate)
{
return(this);
}
return(QueryExpressionFactory.First(ElementType, source, predicate));
}
/// <summary>
/// Creates a first operator query expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
/// </summary>
/// <param name="source">The <see cref="Source"/> child node of the result.</param>
/// <returns>This query expression if no children are changed or an expression with the updated children.</returns>
public FirstOperator Update(MonadMember source)
{
if (source == Source)
{
return(this);
}
return(QueryExpressionFactory.First(ElementType, source));
}