# for emcc
brew install emscripten
# wat2wasm
brew install wabt
emcc hello.c -o hello.wasm
curl https://wasmtime.dev/install.sh -sSf | bash
#OR
brew install wasmtime
# new shell after install!
wasmtime hello.wasm
wat2wasm answer.wat -o answer.wasm
wasmtime --invoke answer answer.wasm
rustup target add wasm32-wasi
rustc --target wasm32-wasi -O hello.rs
wasmtime hello.wasm
rustc -O hello.rs
./hello