>> An alternative to the multimethod approach that might retain the "data"
>> aspect instead of creating an API would be to change :children to only
>> contain the names of the keys of the child elements, rather than a copy of
>> the values. This avoids the "going out of sync problem", since that means
>> :children is an indirect reference to the actual child nodes. I actually
>> think this is more work for the consumer than the multimethod approach, but
>> it'd be possible to write a general "children" function in terms of the
>> :children element.

>> For example:

>> {:op :if :test test-expr :then then-expr :else else-expr :children [:test
>> :then :else]}

>> --Aaron

> Is ignoring :children for your purposes a problem?

> David