
xmonad.hs:170:19: warning: [-Wdeprecations]
    In the use of ‘defaultConfig’
    (imported from XMonad, but defined in XMonad.Config):
    Deprecated: "Use def (from Data.Default, and re-exported by XMonad and XMonad.Config) instead."
    |
170 |     xmonad $ ewmh defaultConfig {
    |                   ^^^^^^^^^^^^^
