syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // Used to combine the two fields in `TyKind::FnPtr` into a single value.
context_before: impl<I: Interner> ty::Binder<I, FnSigTys<I>> {
context_after:     pub fn with(self, hdr: FnHeader<I>) -> ty::Binder<I, FnSig<I>> {