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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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Mario Carneiro c98deeb709
feat: @[unused_variables_ignore_fn] attribute (#3184) 
This replaces the no-op `unusedVariablesIgnoreFnsExt` environment
extension with an actual environment extension which can be extended
using either `@[unused_variables_ignore_fn]` or
`@[builtin_unused_variables_ignore_fn]` (although for the present all
the builtin `unused_variables_ignore_fn`s are being added using direct
calls to `builtin_initialize addBuiltinUnusedVariablesIgnoreFn`, because
this also works and a stage0 update is required before the attribute can
be used).

We would like to use this attribute to disable unused variables in
syntaxes defined in std and mathlib, like
[`proof_wanted`](https://leanprover.zulipchat.com/#narrow/stream/113488-general/topic/Unused.20variables.20and.20proof_wanted/near/408554690).
2024-01-31 19:27:32 +00:00
.github chore: remove unused GH Pages deployment (#3217) 2024-01-31 10:39:15 +00:00
doc doc: update link target (#3218) 2024-01-26 10:20:22 +00:00
images
nix chore: set warningAsError in CI only (#3030) 2023-12-06 08:18:39 +00:00
script chore: refactor pr release workflow (#3020) 2023-12-12 00:45:10 +00:00
src feat: @[unused_variables_ignore_fn] attribute (#3184) 2024-01-31 19:27:32 +00:00
stage0 chore: update stage0 2024-01-31 15:48:29 +00:00
tests feat: @[unused_variables_ignore_fn] attribute (#3184) 2024-01-31 19:27:32 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore chore: update tests to account for .lake 2023-11-13 20:31:24 -05:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt feat: embed and check githash in .olean (#2766) 2023-11-27 10:24:43 +00:00
CODEOWNERS doc: widget code owner 2023-12-01 15:46:45 +00:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00
flake.nix chore: Nix: use strings instead of URL literals (#2172) 2023-03-28 10:10:24 +02:00
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 chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: remove nightly and other outdated references (#3027) 2024-01-25 13:53:36 +00:00
RELEASES.md feat: elidible subterms (#3201) 2024-01-31 17:28:29 +00:00
shell.nix chore: Nix bump to LLVM 15 2023-07-28 10:56:54 +02:00

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.