[Merged by Bors] - feat(Algebra/Category/ModuleCat/Presheaf): the adjunction between colimitFunctor and constFunctor

[joelriou]

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[github-actions]

PR summary 05953fe9ce

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

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Declarations diff

+ colimitAdjunction
+ colimitAdjunction_homEquiv
+ colimitAdjunction_homEquiv_symm_apply
+ constFunctor
+ homEquiv
+ homEquiv'
+ homEquiv'_app_apply
+ homEquiv'_symm_apply
+ homEquiv_app_apply
+ homEquiv_naturality_left
+ homEquiv_naturality_left_symm
+ homEquiv_naturality_right
+ homEquiv_symm_apply
+ map_smul_homEquiv'_iff

You can run this locally as follows

## summary with just the declaration names:
./scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
./scripts/pr_summary/declarations_diff.sh long <optional_commit>

The doc-module for scripts/pr_summary/declarations_diff.sh contains some details about this script.

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Increase in tech debt: (relative, absolute) = (1.00, 0.00)

Current number	Change	Type
641	1	erw

Current commit e6bf21d745
Reference commit 05953fe9ce

You can run this locally as

./scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

[robin-carlier]

Unfortunately, the erw here seems to be a bit hard to remove. I guess there is little point in blocking things now about this. Your call on whether you prefer a final rfl or a local unif hint.

Thanks!

maintainer delegate

[github-actions]

🚀 Pull request has been placed on the maintainer queue by robin-carlier.

[riccardobrasca]

Thanks!

bors d+

[mathlib-bors]

✌️ joelriou can now approve this pull request. To approve and merge a pull request, simply reply with bors r+. More detailed instructions are available here.

[joelriou]

Thanks!

bors merge

[mathlib-bors]

Pull request successfully merged into master.

Build succeeded:

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• ci (staging) / Post-Build Step
• ci (staging) / Lint style
• ci (staging) / Build