Commit a321c55e authored by POTTIER Francois's avatar POTTIER Francois


parent a607ad3a
......@@ -9,10 +9,16 @@ Investigate a way of generating (most of) the code in VisitorsRuntime.
Implement mapreduce(2) in VisitorsRuntime.
Finish and document the implementation of [polymorphic].
Think about enabling [polymorphic] and [fold] together.
That would require letting the user specify the result type
associated with each type constructor.
Implement and document endoreduce?
Share code by using "Map endo" internally where endo : bool.
......@@ -39,12 +45,6 @@ This could be used to define visit_hash_consed once and for all,
in a clean way, as a base class that could be inherited,
taking the memoization table as an argument.
If [iter] and [reduce] inherited from [fold],
with implementations of the [build_] methods,
then it would be possible to override one of these methods
to obtain custom behavior.
Unfortunately, in the case of [map], this seems impossible.
In [fold],
the build_ methods could take not only the results of the recursive calls,
but also their arguments (for added expressive power).
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