Hi all,
The derived Show instance is useful, but I sometimes wish for
something that's easier to read for big data types. Does anyone have
an implementation of show that draws things in a hierarchical manner?
Example:
Given
data Tree a = Leaf | Bin Int a (Tree a) (Tree a)
and
value = Bin 1 (Bin 2 Leaf Leaf) (Bin 3 Leaf Leaf)
draw as
Bin
1
Bin
2
Leaf
Leaf
Bin
3
Leaf
Leaf
Cheers,
Johan
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