Methods
Public Instance methods
parts_of(parts, partid)
# File xquery_use_cases/parts/q1.rb, line 3
def parts_of(parts, partid)
    res = []
    parts.each{|p|
        if p[:partof] == partid
            a = p.attrs.dup
            a.delete :partof
            res << xml(:part, a, parts_of(parts, p[:partid]))
        end
    }
    res
end