{"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"ident.span.to(fn_ptr_ty.decl.inputs[index].span)"}]}
                        ident.span.to(fn_ptr_ty.decl.inputs[index].span)
                    let span = if let Some(ident) = fn_ptr_ty.param_idents[index] {
                    } else {