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Diffstat (limited to 'Operations.hs')
| -rw-r--r-- | Operations.hs | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/Operations.hs b/Operations.hs index 1cb0201..d18bd99 100644 --- a/Operations.hs +++ b/Operations.hs @@ -375,13 +375,7 @@ mirrorRect :: Rectangle -> Rectangle mirrorRect (Rectangle rx ry rw rh) = (Rectangle ry rx rh rw) -- | Mirror a layout, compute its 90 degree rotated form. -data Mirror l a = Layout l a => Mirror (l a) -instance Layout l a => Show (Mirror l a) where - show (Mirror l) = "Mirror "++show l -instance Layout l a => Read (Mirror l a) where - readsPrec _ s = case take (length "Mirror ") s of - "Mirror " -> map (\ (l,s') -> (Mirror l,s')) $ reads $ drop (length "Mirror ") s - _ -> [] +data Mirror l a = Mirror (l a) deriving (Show, Read) instance Layout l a => Layout (Mirror l) a where doLayout (Mirror l) r s = do (wrs, ml') <- doLayout l (mirrorRect r) s |