xmonad.hs:185:24: error: [GHC-83865]
    • Couldn't match expected type: t0 -> X (Maybe WorkspaceId)
                  with actual type: [String]
    • The function ‘wspaces’ is applied to one value argument,
        but its type ‘[String]’ has none
      In the first argument of ‘(>>=)’, namely ‘wspaces sc’
      In the expression: wspaces sc >>= flip whenJust f
    • Relevant bindings include sc :: t0 (bound at xmonad.hs:186:13)
    |
185 |   [ (m ++ "M-" ++ [k], wspaces sc >>= flip whenJust f)
    |                        ^^^^^^^^^^