wasmtime-component-macro 24.0.7

Macros for deriving component interface types from Rust types
Documentation 
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package foo:foo;

interface a {
  record foo {}

  a: func() -> foo;
}

interface b {
  use a.{foo};

  a: func() -> foo;
}

interface c {
  use b.{foo};

  a: func() -> foo;
}

world d {
  import a;
  import b;
  import d: interface {
    use c.{foo};

    b: func() -> foo;
  }
}