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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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David Thrane Christiansen b6d77be6a5
feat: show diffs when #guard_msgs fails (#3912) 
Adds the ability to show a diff when `guard_msgs` fails, using the
histogram diff algorithm pioneered in jgit. This algorithm tends to
produce more user-friendly diffs, but it can be quadratic in the worst
case. Empirically, the quadratic case of this implementation doesn't
seem to be slow enough to matter for messages smaller than hundreds of
megabytes, but if it's ever a problem, we can mitigate it the same way
jgit does by falling back to Myers diff.

See lean/run/guard_msgs.lean in the tests directory for some examples of
its output.
2024-04-18 15:09:44 +00:00
.github fix: find nightly-with-mathlib SHA (#3923) 2024-04-16 11:18:51 +00:00
doc doc: update release checklist based on experience with 4.7.0 (#3833) 2024-04-17 04:33:45 +00:00
images chore(CMakeLists.txt): move Lean logo to make sure we can test leanemacs without installing Lean 2015-01-31 17:38:49 -08:00
nix chore: test results as job summary (#3715) 2024-03-27 10:14:33 +00:00
script feat: trace.profiler export to Firefox Profiler (#3801) 2024-04-15 12:13:14 +00:00
src feat: show diffs when #guard_msgs fails (#3912) 2024-04-18 15:09:44 +00:00
stage0 chore: update stage0 2024-04-17 19:26:22 +00:00
tests feat: show diffs when #guard_msgs fails (#3912) 2024-04-18 15:09:44 +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 chore: update-stage0-commit cmake target (#3692) 2024-04-04 13:35:53 +00:00
CODEOWNERS chore: rename fields of Subarray to follow Lean conventions (#3851) 2024-04-13 07:52:45 +00:00
CONTRIBUTING.md doc: Adjust contributor's docs to squash merging (#2927) 2023-11-21 10:13:43 +00:00
flake.lock chore: test results as job summary (#3715) 2024-03-27 10:14:33 +00:00
flake.nix chore: replace shell.nix with a devShell in flake.nix (#3717) 2024-03-21 13:24:01 +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: remove nightly and other outdated references (#3027) 2024-01-25 13:53:36 +00:00
RELEASES.md feat: show diffs when #guard_msgs fails (#3912) 2024-04-18 15:09:44 +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.