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feat: add values/valuesArray lemmas for (D)HashMap#13594

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pandaman64 wants to merge 1 commit intoleanprover:masterfrom
pandaman64:pandaman64/hashmap_toarray_lemmas
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feat: add values/valuesArray lemmas for (D)HashMap#13594
pandaman64 wants to merge 1 commit intoleanprover:masterfrom
pandaman64:pandaman64/hashmap_toarray_lemmas

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@pandaman64
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This PR adds values and valuesArray lemmas mirroring the existing keys and keysArray lemmas, including length/emptiness and array/list conversion results.

This PR adds `values` and `valuesArray` lemmas mirroring the existing `keys` and `keysArray` lemmas, including length/emptiness and array/list conversion results.
@pandaman64 pandaman64 requested a review from TwoFX as a code owner May 1, 2026 12:04
@github-actions github-actions Bot added the toolchain-available A toolchain is available for this PR, at leanprover/lean4-pr-releases:pr-release-NNNN label May 1, 2026
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Mathlib CI status (docs):

  • ❗ Mathlib CI can not be attempted yet, as the nightly-testing-2026-05-01 tag does not exist there yet. We will retry when you push more commits. If you rebase your branch onto nightly-with-mathlib, Mathlib CI should run now. You can force Mathlib CI using the force-mathlib-ci label. (2026-05-01 12:54:54)

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Reference manual CI status:

  • ❗ Reference manual CI can not be attempted yet, as the nightly-testing-2026-05-01 tag does not exist there yet. We will retry when you push more commits. If you rebase your branch onto nightly-with-manual, reference manual CI should run now. You can force reference manual CI using the force-manual-ci label. (2026-05-01 12:54:56)

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