#16107: unified sequence/lazy list objects in category tree
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Reporter: rws | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-6.2
Component: combinatorics | Resolution:
Keywords: days57 | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: #15852, #15673, #16107 | Stopgaps:
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Changes (by rws):
* dependencies: #15852, #15673 => #15852, #15673, #16107
Old description:
> Several (maybe specialized) implementations of lazy lists exist. This
> meta ticket can be considered closed when
>
> * the `class Sequence` has a parent from the category `Sets`
> implemented, maybe with renaming to `FiniteSequence` (#15852)
> * implementation of `class InfiniteSequence`
> * let both use `sage.misc.lazy_list` (as default implementation? do
> benchmark)
> * refactor code in `combinat.species.*stream` to use `Sequence`
> * how does the hypothetical `combinat.species.series.LazyPowerSeries`
> (#6800) fit in?
>
> Major improvements in `combinat.species.*stream` are planned in #15673.
New description:
Several (maybe specialized) implementations of lazy lists exist. This meta
ticket can be considered closed when
* the `class Sequence` has a parent from the category `Sets` implemented,
maybe with renaming to `FiniteSequence` (#15852)
* implementation of `class InfiniteSequence`
* let both use `sage.misc.lazy_list`
* refactor code in `combinat.species.*stream` to use
`sage.misc.lazy_list` (#15673)
* if obsolete close #6800
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Ticket URL: <http://trac.sagemath.org/ticket/16107#comment:6>
Sage <http://www.sagemath.org>
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