Ensure that a WebAssembly target for Rust is installed. wasm32-wasi is useful for debugging because it can log to the console, while wasm32-unknown-unknown works for making minimal, standalone WebAssembly modules. Either can be used in the following commands.

$ rustup target install wasm32-wasi

To build:

$ cargo build --target wasm32-wasi --release

Wasmtime is used as the WebAssembly runtime to test it here, but Wasmer and WAVM can also be used with very similar syntax.

To test:

$ wasmtime run --invoke wad_main target/wasm32-wasi/release/rust_wad_examples.wasm

Battle Damaged Sci-fi Helmet - PBR by theblueturtle_, published under a Creative Commons Attribution-NonCommercial license

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