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EnumeratedSets.ParentMethods.map should not rely on CombinatorialClass #19474

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darijgr opened this issue Oct 24, 2015 · 0 comments · May be fixed by #37722
Open

EnumeratedSets.ParentMethods.map should not rely on CombinatorialClass #19474

darijgr opened this issue Oct 24, 2015 · 0 comments · May be fixed by #37722

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@darijgr
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darijgr commented Oct 24, 2015

See the map method in src/sage/categories/enumerated_sets.py. We want to deprecate combinatorial classes, so let's not use them here.

Might be a good idea to rename/alias this as direct_image and make this a functorial construction that works for various other categories.

CC: @nthiery @tscrim @stumpc5

Component: categories

Keywords: enumerated sets, OOP

Issue created by migration from https://trac.sagemath.org/ticket/19474

@darijgr darijgr added this to the sage-6.10 milestone Oct 24, 2015
@mkoeppe mkoeppe removed this from the sage-6.10 milestone Dec 29, 2022
@mkoeppe mkoeppe linked a pull request Apr 2, 2024 that will close this issue
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vbraun pushed a commit to vbraun/sage that referenced this issue Apr 20, 2024
    
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- Fixes sagemath#36133
- Fixes sagemath#33384
- Fixes sagemath#19474
- Fixes sagemath#12913

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URL: sagemath#37722
Reported by: Matthias Köppe
Reviewer(s): Martin Rubey, Matthias Köppe, Travis Scrimshaw
vbraun pushed a commit to vbraun/sage that referenced this issue May 2, 2024
    
<!-- ^ Please provide a concise and informative title. -->
<!-- ^ Don't put issue numbers in the title, do this in the PR
description below. -->
<!-- ^ For example, instead of "Fixes sagemath#12345" use "Introduce new method
to calculate 1 + 2". -->
<!-- v Describe your changes below in detail. -->
<!-- v Why is this change required? What problem does it solve? -->
<!-- v If this PR resolves an open issue, please link to it here. For
example, "Fixes sagemath#12345". -->

- Fixes sagemath#36133
- Fixes sagemath#33384
- Fixes sagemath#19474
- Fixes sagemath#12913

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->

- [ ] The title is concise and informative.
- [ ] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on. For example,
-->
<!-- - sagemath#12345: short description why this is a dependency -->
<!-- - sagemath#34567: ... -->
    
URL: sagemath#37722
Reported by: Matthias Köppe
Reviewer(s): Martin Rubey, Matthias Köppe, Travis Scrimshaw
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