{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"//"}]}
                // async closures do not work with const closures, so we do not parse that here.
            && self.look_ahead(1, |t| match &t.kind {
                token::Ident(kw::Move | kw::Use | kw::Static, IdentIsRaw::No)