{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":"//"}]}
    // `async-std` (and `pub async fn` in general).
    // HACK(jynelson): trying to infer the type of `impl trait` breaks documenting
    // Since rustdoc doesn't care about the concrete type behind `impl Trait`, just don't look at it!