{"ast_node_type":"function","tokens":[{"end":73,"kind":"keyword","start":0,"text":"fn"}]}
fn get_macro_ident(token: &Token) -> Option<(Ident, token::IdentIsRaw)> {
/// We prohibit passing `_` to macros expecting `ident` for now.
    token.ident().filter(|(ident, _)| ident.name != kw::Underscore)