instance hell

2024-02-26 10:12:33 -07:00
parent 240db0df3d
commit 15f65a79f6
10 changed files with 284 additions and 183 deletions
--- a/src/Misc.hs
+++ b/src/Misc.hs
@@ -0,0 +1,17 @@
+module Misc where
+--------------------------------------------------------------------------------
+import Data.Functor.Classes
+--------------------------------------------------------------------------------
+
+
+showsTernaryWith :: (Int -> a -> ShowS)
+                 -> (Int -> b -> ShowS)
+                 -> (Int -> c -> ShowS)
+                 -> String -> Int -> a -> b -> c -> ShowS
+showsTernaryWith sp1 sp2 sp3 name d x y z
+    = showParen (d > 10)
+    $ showString name . showChar ' '
+    . sp1 11 x . showChar ' '
+    . sp2 11 y . showChar ' '
+    . sp3 11 z
+