{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"Const::Val(val,"}]}
            Const::Val(val, ty) => pretty_print_const_value(val, ty, fmt),
            Const::Ty(_, c) => pretty_print_const(c, fmt, true),
            // FIXME(valtrees): Correctly print mir constants.