syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"assert_eq!(enum_place.projection.len(),"}]}
source_snippet:         assert_eq!(enum_place.projection.len(), base_proj.len());
context_before:         let (downcast, base_proj) = variant_path.place.projection.split_last().unwrap();