On Sep 4, 2006, at 6:38 AM, skaller wrote:
> On Sun, 2006-09-03 at 19:37 -0400, Peter Tanski wrote:
>> On Sep 3, 2006, at 4:53 AM, skaller wrote:
>
>> // this mess is due largely to List
>> val flxPty:Company =
>> C (Cons ((D ("R&D", skaller,
>> (Cons ((PU tryzelaar),
>> Cons ((PU percossi),
>> Cons ((PU tanski),
>> Empty[SubUnit]) ))))), Empty[Dept]));
>
> This is better .. but doesn't port to pattern matching:
>
> val flxPty:Company =
>
> C $
> Empty [Dept] +
> D $ "R&D", skaller,
> (
> Empty[SubUnit] +
> PU tryzelaar +
> PU percossi +
> PU tanski
> )
> ;
>
> and due to overload of +, allowing either elt + list[elt]
> or list[elt] + elt to support pre-pending or appending
> (appending of course is very slow).
This entire list construct should be scrapped. Felix is literally
compiled into std C++; translate a "list" into a C++ list<> if Felix
lists have no other evaluation advantages (i.e., they are not lazy
lists); then push and pop values.
-Pete
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