Am 20.01.2013 15:16, schrieb Michael Van Canneyt: > > > On Sun, 20 Jan 2013, Florian Klämpfl wrote: > >> Am 20.01.2013 14:47, schrieb Michael Van Canneyt: >>>>> >>>>> ? Why not ? I see no difference with a list or collection ? >>>> >>>> A tree is something implementation specific while the fpc-stl is only >>>> about opaque data structures. E.g. the fpc-stl supports TSet: but the >>>> whole implementation is hidden. The user does not/need not to know how >>>> the set works internally. It could be a linked list, a tree, whatever. >>> >>> For me, a tree is a data structure, just like a set, list, collection, >>> queue, whatever. >> >> A tree is an implementation detail. For example a set could be >> implemented using a tree. > > I understand you the first time :-) > > For me, a tree is at the same level as a set. Whatever models your data > best.
A set is defined by some properties and possible operations like that it can contain each element only once, that it is possible to build intersections, unions etc. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal