{"ast_node_type":"other","tokens":[{"end":23,"kind":"keyword","start":0,"text":"Ok(match"}]}
        Ok(match self {
    pub fn apply_id<R, E>(self, mut map: impl FnMut(Id) -> Result<R, E>) -> Result<Res<R>, E> {
            Res::Def(kind, id) => Res::Def(kind, id),