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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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Clement Courbet 9c4028aab4
perf: avoid expr copies in replace_rec_fn::apply (#4702) 
Those represent ~13% of the time spent in `save_result`,
even though `r` is a temporary in all cases but one.

See #4698 for details.

---------

Co-authored-by: Leonardo de Moura <leomoura@amazon.com>
2024-08-02 18:32:36 +00:00
.github chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +00:00
doc chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +00:00
images
nix chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +00:00
releases_drafts chore: copy release notes from releases/v4.10.0 (#4864) 2024-07-31 03:30:13 +00:00
script feat: support Lake for building Lean core oleans (#3886) 2024-06-13 16:18:24 +00:00
src perf: avoid expr copies in replace_rec_fn::apply (#4702) 2024-08-02 18:32:36 +00:00
stage0 fix: LEAN_EXPORT in sharecommon (#4893) 2024-08-01 13:03:25 +02:00
tests feat: accept user-defined options on the cmdline (#4741) 2024-08-02 12:24:56 +00:00
.gitattributes chore: Do not hide stage0/src/stdlib_flags.h from diffs 2023-09-13 19:29:25 +02:00
.gitignore feat: support Lake for building Lean core oleans (#3886) 2024-06-13 16:18:24 +00:00
.ignore chore: ignore stage0/ (for rg etc.) 2022-03-18 15:28:20 +01:00
CMakeLists.txt chore: update-stage0-commit cmake target (#3692) 2024-04-04 13:35:53 +00:00
CMakePresets.json chore: modernize build instructions (#4032) 2024-05-23 10:55:07 +00:00
CODEOWNERS chore: update codeowners (#4681) 2024-07-08 07:57:54 +00:00
CONTRIBUTING.md doc: triage 2024-07-26 18:24:06 +02:00
flake.lock chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +00:00
flake.nix chore: deprecate Nix-based build, remove interactive components (#4895) 2024-08-02 09:57:34 +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 chore: add GMP license for now 2021-11-18 09:42:35 +01:00
README.md doc: mention build doc source location (#4045) 2024-05-01 22:42:54 +00:00
RELEASES.md chore: copy release notes from releases/v4.10.0 (#4864) 2024-07-31 03:30:13 +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 (documentation source: doc/make/index.md).