wit-bindgen-cli 0.57.1

CLI tool to generate bindings for WIT documents and the component model. 
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package a:b;

interface i {
  one-argument: async func(x: u32);
  one-result: async func() -> u32;
  one-argument-and-result: async func(x: u32) -> u32;
  two-arguments: async func(x: u32, y: u32);
  two-arguments-and-result: async func(x: u32, y: u32) -> u32;
}

world test {
  export i;
}

world runner {
  import i;

  export run: async func();
}