- mb_hval1 <- GHC.compileExpr session "System.IO.stdout"
- mb_hval2 <- GHC.compileExpr session "System.IO.stderr"
- mb_hval3 <- GHC.compileExpr session "System.IO.stdin"
- when (any isNothing [mb_hval1,mb_hval2,mb_hval3]) $
- panic "interactiveUI:setBuffering"