[xmonad] Managehook which only shifts window if workspace is empty

[Brandon Allbery]

On Sat, Feb 11, 2012 at 18:11, Brandon Allbery <allbery.b at gmail.com> wrote:

>     className =? "mutt" --> liftX (doShiftEmpty "email")
>

Oops, slightly wrong; liftX will propagate the result back, which in this
case is () which is not compatible with (Endo WindowSet) as expected by
ManageHook.  The correct fix is

> appName =? "mutt" --> liftX (doShiftEmpty "email") >> idHook

which discards the () and substitutes an appropriate do-nothing Endo
WindowSet.

-- 
brandon s allbery                                      allbery.b at gmail.com
wandering unix systems administrator (available)     (412) 475-9364 vm/sms
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