Prerequisites

Make sure that you will have GCC installed on Ubuntu 20.04.

$ sudo apt update
$ sudo apt install build-essential

Install Rust and use the following command to install the wasm32-wasi target.

$ rustup target add wasm32-wasi

Install wasmedge CLI tool.

Hello world

examples/hello is a simple demo for wasmedge async function.

You can run it with cargo run:

Run

$ cargo run --package hello