linclark / enigma

Rust/WASM example

This is a simple Rust function that can be run in the browser. It takes an integer argument from JavaScript and returns an integer.

Running this example

1. Turn on WASM in your browser.

2. Run:

   cd examples
   python -m SimpleHTTPServer
   

3. Open http://localhost:8000/ and then open the console. You should see something like:

   trying binaryen method: native-wasm
   binaryen method succeeded.
   pre-main prep time: 3 ms
   Emscripten boilerplate loaded.
   result: 55
   

Building

1. Follow the instructions for installing Rust and Emscripten

2. Configure your PATH as Emscripten suggests.

3. Run:

   cd examples
   cargo build --target=wasm32-unknown-emscripten
   rustc --target=wasm32-unknown-emscripten ../src/lib.rs -L ../target/wasm32-unknown-emscripten/debug/deps/