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Lean 4 fork for HoTT-compatible kernel extensions (Path types, transport, HITs). Maintained against upstream leanprover/lean4.
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Kyle Miller 44c8b0df85
feat: warn.sorry option (#8662) 
This PR adds a `warn.sorry` option (default true) that logs the
"declaration uses 'sorry'" warning when declarations contain `sorryAx`.
When false, the warning is not logged.

Closes #8611 (assuming that one would set `warn.sorry` as an extra flag
when building).

Other change: Uses `warn.sorry` when creating auxiliary declarations in
`structure` elaborator, to suppress irrelevant 'sorry' warnings.

We could include the sorries themselves in the message if they are
labeled, letting users "go to definition" to see where the sorries are
coming from.

In an earlier version, added additional information to the warning when
it is a synthetic sorry, since these can be caused by elaboration bugs
and they can also be caused by elaboration failures in previous
declarations. This idea needs some more work, so it's not included.
2025-06-29 19:31:17 +00:00
.github perf: do not import non-meta IR 2025-06-27 08:13:31 -07:00
doc chore: Grove: start on associative containers (#9039) 2025-06-27 13:34:10 +00:00
images
nix chore: fix Nix build 2025-04-21 18:40:11 +02:00
releases_drafts chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00
script feat: move lean-pr-testing-NNNN branches to a fork (#8933) 2025-06-24 03:30:43 +00:00
src feat: warn.sorry option (#8662) 2025-06-29 19:31:17 +00:00
stage0 chore: update stage0 2025-06-29 16:15:49 +02:00
tests feat: warn.sorry option (#8662) 2025-06-29 19:31:17 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: allow module in tests (#8881) 2025-06-21 02:49:22 +00:00
.gitpod.Dockerfile chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.gitpod.yml chore: add gitpod configuration (#6382) 2024-12-15 21:38:13 +00:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt fix: cadical distribution on Linux (#8201) 2025-05-02 18:25:16 +00:00
CMakePresets.json chore: fix reldebug preset (#8051) 2025-04-23 10:05:11 +00:00
CODEOWNERS chore: add @zwarich to the compiler CODEOWNERS (#8305) 2025-05-12 18:42:54 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
flake.nix chore: robustify Nix shell (#8141) 2025-04-28 15:08:32 +00:00
lean-toolchain doc: VS Code dev setup (#2961) 2023-11-30 08:35:03 +00:00
lean.code-workspace chore: add the lean4 extension to the vscode workspace (#3059) 2023-12-14 08:58:21 +00:00
LICENSE chore: remove LICENSE header that confused GitHub 2021-11-18 09:42:35 +01:00
LICENSES feat: ship cadical (#4325) 2024-08-23 09:13:27 +00:00
README.md chore: remove old documentation site (#7974) 2025-05-14 14:31:33 +00:00
RELEASES.md chore: updates to release_checklist.md (#7817) 2025-04-04 03:45:36 +00:00

README.md

This is the repository for Lean 4.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.