{"ast_node_type":"other","tokens":[{"end":42,"kind":"keyword","start":0,"text":"//^^"}]}
      //^^ Vec<Box<&(dyn Display + Sync)>>
    let _v = { Vec::<Box<&(dyn Display + Sync)>>::new() };
    let _v = { Vec::<Box<*const (dyn Display + Sync)>>::new() };