okasaki

Okasaki's Purely Functional Data Structures
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commit 931a4a6740c3a0a5ff4833ad6eed1acb49317165
parent a96d53bb8633c9f0590f46a9f45e32379737d25c
Author: Jared Tobin <jared@jtobin.io>
Date:   Thu,  6 Apr 2023 22:16:30 +0400

Bin heap Show derivation.

Diffstat:

Mlib/Okasaki/Heap/Class.hs | 1+


1 file changed, 1 insertion(+), 0 deletions(-)

diff --git a/lib/Okasaki/Heap/Class.hs b/lib/Okasaki/Heap/Class.hs
@@ -24,6 +24,7 @@ instance Heap B.Heap where
   data Pile B.Heap a =
       Nib
     | Bin a (B.Heap a)
+    deriving Show
 
   via = \case
     B.Heap [] -> Nib