Equivalent to:
(o/reset! (o/retract o/*session* id attr))
Source
(defnretract!"Equivalent to:\n \n (o/reset! (o/retract o/*session* id attr))"[idattr](if*mutable-session*(vswap!*mutable-session*retractidattr)(throw(ex-info"This function must be called in a :then or :then-finally block"{}))))