[fpc-pascal] Re: State of fcl-stl generics lib

[Florian Klämpfl]

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.