syntax_data: {"ast_node_type":"function","tokens":[{"end":75,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet:     pub(crate) fn insert(&mut self, local: Local, reffed: PlaceRef<'tcx>) {
context_before:     #[inline]
context_after:         let mut chain = self.deref_chains.remove(&reffed.local).unwrap_or_default();