#10963: More functorial constructions
-------------------------------------+-------------------------------------
Reporter: nthiery | Owner: stumpc5
Type: enhancement | Status: needs_info
Priority: major | Milestone: sage-6.2
Component: categories | Resolution:
Keywords: days54 | Merged in:
Authors: Nicolas M. Thiéry | Reviewers: Simon King, Frédéric
Report Upstream: N/A | Chapoton
Branch: | Work issues:
public/ticket/10963-doc- | Commit:
distributive | 977a940beba7ed96722a24e36cd81595336350ef
Dependencies: #11224, #8327, | Stopgaps:
#10193, #12895, #14516, #14722, |
#13589, #14471, #15069, #15094, |
#11688, #13394, #15150, #15506, |
#15757, #15759 |
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Comment (by nthiery):
Replying to [comment:552 ncohen]:
> If you think that those design choices are good, then you have years of
examples in mind that you can use to illustrate it.
>
> But you have to illustrate it.
With pleasure. For a few use cases, see the changes in this ticket about:
{{{
sage/categories/algebra_ideals.py
sage/categories/algebras.py
sage/categories/algebras_with_basis.py
sage/categories/coalgebras_with_basis.py
sage/categories/commutative_additive_groups.py
sage/categories/commutative_additive_monoids.py
sage/categories/commutative_additive_semigroups.py
sage/categories/commutative_algebras.py
sage/categories/commutative_rings.py
sage/categories/facade_sets.py
sage/categories/fields.py
sage/categories/finite_coxeter_groups.py
sage/categories/finite_crystals.py
sage/categories/finite_dimensional_algebras_with_basis.py
sage/categories/finite_dimensional_bialgebras_with_basis.py
sage/categories/finite_dimensional_coalgebras_with_basis.py
sage/categories/finite_dimensional_hopf_algebras_with_basis.py
sage/categories/finite_dimensional_modules_with_basis.py
sage/categories/finite_enumerated_sets.py
sage/categories/finite_fields.py
sage/categories/finite_groups.py
sage/categories/finite_lattice_posets.py
sage/categories/finite_monoids.py
sage/categories/finite_permutation_groups.py
sage/categories/finite_posets.py
sage/categories/finite_semigroups.py
sage/categories/finite_sets.py
sage/categories/finite_weyl_groups.py
sage/categories/graded_algebras.py
sage/categories/graded_algebras_with_basis.py
sage/categories/graded_bialgebras.py
sage/categories/graded_bialgebras_with_basis.py
sage/categories/graded_coalgebras.py
sage/categories/graded_coalgebras_with_basis.py
sage/categories/graded_enumerated_sets.py
sage/categories/graded_hopf_algebras.py
sage/categories/graded_hopf_algebras_with_basis.py
sage/categories/graded_modules.py
sage/categories/graded_modules_with_basis.py
sage/categories/groups.py
sage/categories/hopf_algebras_with_basis.py
sage/categories/infinite_enumerated_sets.py
sage/categories/modules_with_basis.py
sage/categories/monoid_algebras.py
sage/categories/monoids.py
sage/categories/non_unital_algebras.py
sage/categories/rings.py
sage/categories/semigroups.py
sage/categories/sets_cat.py
}}}
You can ask, e.g. Jean-Baptiste for more.
> That's why we review code, and don't just blindly trust the author.
Certainly. Did I ask for a blind trust? There has been 550 comments on
this ticket which had a strong influence on its implementation. Not
counting discussions elsewhere. Simon thoroughly reviewed it. Others
have been using it. Now there remains a couple spots where it comes to
opinion against opinion. There are various ways to resolve this. With
various consequences.
All I am saying is: «you don't have the monopoly of representing the
users».
--
Ticket URL: <http://trac.sagemath.org/ticket/10963#comment:554>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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