{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"|"}]}
                | tt::TokenTree::Leaf(tt::Leaf::Literal(tt::Literal { span, .. }))
                tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { span, .. }))
                | tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { span, .. })) => {