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authorDon Stewart <dons@cse.unsw.edu.au>2007-03-09 04:06:40 +0100
committerDon Stewart <dons@cse.unsw.edu.au>2007-03-09 04:06:40 +0100
commit6515e1bdb7ca00cdad80cc66d09cfcc18ae7e64b (patch)
treed8be3717e13c3019ea2b91ccd9dbf3eacd7333be
parent59ac26db7d151a7c69787ba8a08777649b8f3d71 (diff)
downloadmetatile-6515e1bdb7ca00cdad80cc66d09cfcc18ae7e64b.tar
metatile-6515e1bdb7ca00cdad80cc66d09cfcc18ae7e64b.zip
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darcs-hash:20070309030640-9c5c1-a997af4090d9ba5e881d34dd6623e7ab62bec867
-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 (