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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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feat: generalize IO task functions to BaseIO := EIO Empty (#744) 
* feat: generalize `asTask`/`bindTask`/`mapTask` to `EIO`

* feat: generalize task functions to the `EIO Empty` monad

* chore: fix test + correct doc

* feat: further generalize task functions to `RealM := EIO Empty`

* chore: `RealM`/Task API touch-ups

* refactor: `abbrev RealM` -> `def BaseIO`

* chore: remame args / remove `EIO.toBaseIO_` as per code review

* refactor: use `BaseIO` at `checkCanceled`/`getNumHeartbeats`

* chore: fix `lean_io_bind_task_fn` signature error
2021-11-04 15:37:55 -07:00
.github fix: CI: copy Homebrew dependencies 2021-10-27 18:16:35 +02:00
.vscode doc: fix some syntax and link in the docs, and more 2021-10-10 11:36:43 +02:00
doc doc: --load-dynlib 2021-11-04 15:32:07 -07:00
images
lean4-mode chore: lean4-mode: support native elisp compilation 2021-09-21 16:23:52 +02:00
nix chore: submodule hints 2021-10-15 06:56:02 -07:00
script feat: build & bundle Lake 2021-10-15 06:56:02 -07:00
src feat: generalize IO task functions to BaseIO := EIO Empty (#744) 2021-11-04 15:37:55 -07:00
stage0 chore: update stage0 2021-10-26 12:41:23 -07:00
tests fix: cannot dynamically link against library that depends on statically linked runtime on Windows 2021-11-04 15:32:07 -07:00
tmp chore: remove tactic framework dependency 2020-11-10 14:32:58 -08:00
.gitattributes chore: restore marking stage0/ as binary files, which we lost at some point 2020-08-14 11:12:13 +02:00
.gitignore fix: UTF-8 file path support for lean on Windows 2021-09-22 12:21:52 +02:00
.gitmodules chore: add ignore = untracked 2021-10-18 14:39:43 -07:00
CMakeLists.txt feat: make CMAKE_ args for stage 0 overridable using STAGE0_CMAKE_... 2021-10-26 08:27:31 +02:00
CONTRIBUTING.md doc: more changes 2021-05-13 16:11:57 -07:00
default.nix doc: setup 2021-01-03 13:21:58 +01:00
flake.lock chore: update to LLVM 13 2021-10-06 14:34:29 +02:00
flake.nix fix: sanitized build 2021-09-08 17:24:31 +02:00
LICENSE
README.md chore: add link to "Theorem Proving in Lean 4" tutorial 2021-09-01 10:44:43 -07:00
shell.nix Revert "Revert "feat: reintroduce libleanshared, link lean & leanpkg against it"" 2021-08-20 09:42:05 -07:00

README.md

This is the repository for Lean 4, which is currently being released as milestone releases towards a first stable release. Lean 3 is still the latest stable release.

About

Installation

See Setting Up Lean.

Contributing

Please read our Contribution Guidelines first.

Building from Source

See Building Lean.