[1 of 2] Compiling Main             ( <TEMPORARY-DIRECTORY>/Main.hs, interpreted )[main]
(hdb) BreakFound {changed = True, breakId = [InternalBreakpointId Main 13], sourceSpan = SourceSpan {file = "<TEMPORARY-DIRECTORY>/Main.hs", startLine = 17, endLine = 17, startCol = 3, endCol = 10}}
(hdb) helio
Stopped at breakpoint
(hdb) _result : IO () = <fn> :: IO ()
doit : forall {b}. b -> IO () = <fn> :: forall {b}. b -> IO ()
y : D Char -> Char = <fn> :: D Char -> Char
x : forall a. (a ~ IO ()) => a = <fn> :: forall a. (a ~ IO ()) => a
ix : B = _
  ix : B = B (Left _)
(hdb) Exiting...