syntax_data: {"ast_node_type":"variable","tokens":[{"end":67,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let first = self.parent.map(|mpi| (mpi, &move_paths[mpi]));
context_before:     ) -> impl 'a + Iterator<Item = (MovePathIndex, &'a MovePath<'tcx>)> {
context_after:         MovePathLinearIter {