Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
This PR verifies the `keys` function on `Std.HashMap`. --- Initial discussions have already happend with @TwoFX and we are collaborating on this matter. This will remain a draft as long as not all desired results have been added. If we should still create an issue for the topic of this PR, let us know. Of course, any other feedback is appreciated as well :) --------- Co-authored-by: Markus Himmel <markus@lean-fro.org> Co-authored-by: monsterkrampe <monsterkrampe@users.noreply.github.com> Co-authored-by: jt0202 <johannes.tantow@gmail.com> |
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