insert :: JStat -> GraphT s a ()
insert js = insertCont $ \cont -> [jmacro|
    `(js)`;
    `(cont)`;
|]
insert :: JStat -> GraphT s a ()
insert js = insertCont $ \cont -> [jmacro|
    `(js)`;
    `(cont)`;
|]
insert js = insertCont $ \cont -> [jmacro|
    `(js)`;
    `(cont)`;
|]