{"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"len.try_to_target_usize(cx.tcx()).expect(\"expected"}]}
            len.try_to_target_usize(cx.tcx()).expect("expected monomorphic const in codegen"),
        (&ty::Array(_, len), &ty::Slice(_)) => cx.const_usize(
        ),