syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"Some(SimplifiedType::Function(sig_tys.skip_binder().inputs().len()))"}]}
source_snippet:             Some(SimplifiedType::Function(sig_tys.skip_binder().inputs().len()))
context_before:         ty::FnPtr(sig_tys, _hdr) => {
context_after:         }