syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"assert!(ty.is_signed());"}]}
source_snippet:         assert!(ty.is_signed());
context_before:     fn minval_literal(&mut self, span: Span, ty: Ty<'tcx>) -> Operand<'tcx> {
context_after:         let typing_env = ty::TypingEnv::fully_monomorphized();