lean2wasm

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Tool for compiling Lean to WASM

lean2wasm 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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# Lean2Wasm

Tool to compile Lean4 code to WASM. Right now this is really just for me to test
things out. So actually using it is a little scuffed right now :)

This is largely a translation of [these instructions](https://leanprover.zulipchat.com/#narrow/stream/270676-lean4/topic/wasm.20build/near/402692669)
into something that can be executed.

This requires [emcc](https://emscripten.org/docs/getting_started/downloads.html)
to already be installed.

## Usage

Run `lake build test` to build the test program. Then run `lake build` to build
the utility. Running `lake exe lean2wasm` will compile the `Main` program.

Once compiled, you can run `node .lake/build/wasm/main.js` to run the program.
Alternatively you can use `lake run js`.

If you want to change what is being compiled, in `Lean2Wasm.lean` just change
the `root` variable.

## Example

[Here](https://github.com/T-Brick/c0_web_driver) is an example of embedding lean
into a webpage. Importantly, we have to use the `MODULARIZE` flag so that we
can invoke the `main` function multiple times since there are issues with doing
so without resetting the emscripten runtime (specifically, emscripten generates
a factory function which can then be invoked to initialise the runtime again
and call `main`).

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