feat(Combinatorics/SimpleGraph/Maps): more map/comap API

[SnirBroshi]

---

[github-actions]

PR summary 2c5ac3338b

Import changes for modified files

No significant changes to the import graph

Import changes for all files

Files	Import difference

---

Declarations diff (regex)

+ coe_equivOfBijective
+ coe_symm_equivOfBijective
+ comap_bijective
+ comap_injective
+ comap_le_of_le_map
+ edgeSet_comap
+ edgeSet_induce
+ equivOfBijective
+ equivOfBijective_id
+ equivOfBijective_trans
+ le_map_iff_comap_le
+ le_map_of_comap_le
+ le_spanningCoe_top_coe
+ leftInverse_map_comap
+ map_bijective
+ map_comap_eq
+ map_comap_eq_inf
+ map_le_of_le_comap
+ map_surjective
+ map_top
+ spanningCoe_induce_eq_inf

You can run this locally as follows

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

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

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

The doc-module for scripts/pr_summary/declarations_diff.sh in the mathlib-ci repository contains some details about this script.

Declarations diff (Lean)

✅ Lean-aware diff — post-build, computed from the Lean environment (commit 2c5ac33).

• +22 new declarations
• −0 removed declarations

+SimpleGraph.coe_equivOfBijective
+SimpleGraph.coe_symm_equivOfBijective
+SimpleGraph.comap_bijective
+SimpleGraph.comap_injective
+SimpleGraph.comap_le_of_le_map
+SimpleGraph.edgeSet_comap
+SimpleGraph.edgeSet_induce
+SimpleGraph.equivOfBijective
+SimpleGraph.equivOfBijective.congr_simp
+SimpleGraph.equivOfBijective_id
+SimpleGraph.equivOfBijective_trans
+SimpleGraph.le_map_iff_comap_le
+SimpleGraph.le_map_of_comap_le
+SimpleGraph.le_spanningCoe_top_coe
+SimpleGraph.leftInverse_map_comap
+SimpleGraph.map_bijective
+SimpleGraph.map_comap_eq
+SimpleGraph.map_comap_eq_inf
+SimpleGraph.map_le_of_le_comap
+SimpleGraph.map_surjective
+SimpleGraph.map_top
+SimpleGraph.spanningCoe_induce_eq_inf

---

No changes to strong technical debt.

No changes to weak technical debt.

Current commit 2c5ac3338b
Reference commit 375d54da29

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/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).