syntax_data: {"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"[output].iter().chain(&inputs).map(|ty|"}]}
source_snippet:         [output].iter().chain(&inputs).map(|ty| LocalDecl::with_source_info(*ty, source_info)),
context_before:     let local_decls = IndexVec::from_iter(
context_after:     );