*** Exception: foo
Stopped at <exception thrown>
_exception :: e = _
Stopped at <exception thrown>
_exception :: e = _
-1  : main (../Test7.hs:2:18-28)
-2  : main (../Test7.hs:2:8-29)
<end of history>
Logged breakpoint at ../Test7.hs:2:18-28
_result :: a
Logged breakpoint at ../Test7.hs:2:8-29
_result :: IO a
no more logged breakpoints
Logged breakpoint at ../Test7.hs:2:18-28
_result :: a
Stopped at <exception thrown>
_exception :: e
already at the beginning of the history
_exception = SomeException (ErrorCall "foo")
_exception :: SomeException = SomeException (ErrorCall "foo")
_result :: a = _
*** Exception: foo
*** Exception: foo