syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"self.map_bound(|fn_sig|"}]}
source_snippet:         self.map_bound(|fn_sig| fn_sig.inputs().get(index).unwrap())
context_before:     pub fn input(self, index: usize) -> ty::Binder<I, I::Ty> {
context_after:     }