syntax_data: {"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"body.local_decls.push(LocalDecl::new(return_ty,"}]}
source_snippet:     body.local_decls.push(LocalDecl::new(return_ty, return_ty_span));
context_after:     body.basic_blocks_mut().push(BasicBlockData::new(None, false));