isnext
if (isnext(x) || isexit(x) || isret(x))
if (isnext(x) || isexit(x) || isret(x))
if (isnext(x) || isexit(x) || isret(x))
if (isnext(x) || isexit(x) || isret(x)) {
if (isbreak(x) || isnext(x) || iscont(x))
if (isexit(y) || isnext(y))
if (isnext(x) || isexit(x))
if (isbreak(x) || isnext(x) || iscont(x))
if (isnext(x) || isexit(x))
if (isnext(x) || isexit(x))