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-rw-r--r--XMonad/ManageHook.hs2
1 files changed, 2 insertions, 0 deletions
diff --git a/XMonad/ManageHook.hs b/XMonad/ManageHook.hs
index ac528c1..fc7017d 100644
--- a/XMonad/ManageHook.hs
+++ b/XMonad/ManageHook.hs
@@ -45,6 +45,8 @@ idHook = doF id
composeAll :: [ManageHook] -> ManageHook
composeAll = mconcat
+infix 0 -->
+
-- | @p --> x@. If @p@ returns 'True', execute the 'ManageHook'.
(-->) :: Query Bool -> ManageHook -> ManageHook
p --> f = p >>= \b -> if b then f else mempty