syntax_data: {"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"for"}]}
source_snippet:     for var in &body.var_debug_info {
context_before:     let mut field_names = IndexVec::from_elem(None, &tys);
context_after:         let VarDebugInfoContents::Place(place) = &var.value else { continue };