Macro wasi::cli::command::export

macro_rules! export {
    ($ty:ident) => { ... };
    ($ty:ident with_types_in $($path_to_types_root:tt)*) => { ... };
}

Generate an exported instance of the wasi:cli/command world.

This macro generate the #[no_mangle] functions necessary to export this interface. It takes an argument which is a type that must implement the exports::cli::run::Guest trait.

struct MyCliRunner;

impl wasi::exports::cli::run::Guest for MyCliRunner {
    fn run() -> Result<(), ()> {
        // ...
    }
}

wasi::cli::command::export!(MyCliRunner);

Compatibility with wasm32-wasi targets

This macro is not compatible with wasm32-wasi bin targets which instead use a fn main() with the wasi_snapshot_preview1.command.wasm adapter. This macro can be used with the reactor or proxy adapters.