{"ast_node_type":"variable","tokens":[{"end":71,"kind":"keyword","start":0,"text":"let"}]}
                let llval = bx.const_uint_big(switch_llty, test_value);
                let switch_llty = bx.immediate_backend_type(bx.layout_of(switch_ty));
                let cmp = bx.icmp(IntPredicate::IntEQ, discr_value, llval);