syntax_data: {"ast_node_type":"variable","tokens":[{"end":32,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:     let should_throw_exception =
context_before:     // allowed (which for all non-borrow place uses, is when the pointee is ZST).
context_after:         local_decls.push(LocalDecl::with_source_info(tcx.types.bool, source_info)).into();