summaryrefslogtreecommitdiffstats
path: root/StackSet.hs
diff options
context:
space:
mode:
Diffstat (limited to 'StackSet.hs')
-rw-r--r--StackSet.hs7
1 files changed, 6 insertions, 1 deletions
diff --git a/StackSet.hs b/StackSet.hs
index 9f8cdb6..c15665d 100644
--- a/StackSet.hs
+++ b/StackSet.hs
@@ -11,7 +11,12 @@
-----------------------------------------------------------------------------
--
-- The 'StackSet' data type encodes a set of stacks. A given stack in the
--- set is always current.
+-- set is always current. Elements may appear only once in the entire
+-- stack set.
+--
+-- A StackSet provides a nice datastructure for multiscreen
+-- windowmanagers, where each screen has a stack of windows, and a window
+-- may be on only 1 screen at any given time.
--
module StackSet (