{"ast_node_type":"function","tokens":[{"end":83,"kind":"keyword","start":0,"text":"fn"}]}
    fn matches_previous_ambiguity_error(&self, ambi: &AmbiguityError<'_>) -> bool {
    /// Test if AmbiguityError ambi is any identical to any one inside ambiguity_errors
        for ambiguity_error in &self.ambiguity_errors {