> you declared 'T Op [Tree]' so you should give 'T AND [L 1, L 2]'
> as the tree, right?
Hi, Felipe.
You are right. This means that I gave the correct input to the program. As you
can see, I typed 'T AND [L 1, L 2]'. Therefore, JHC was expected to parse and
print it. However, it failed to parse it. The program works perfectly well in
GHC. Here is the GHC output:
> phi...@desktop:~/jhctut$ ghc tree.hs --make
[1 of 1] Compiling Main ( tree.hs, tree.o )
Linking tree ...
> phi...@desktop:~/jhctut$ ./tree
Give me a tree:
T AND [L 1, L 2]
T AND [L 1,L 2]
--- On Wed, 11/11/09, Felipe Lessa <[email protected]> wrote:
From: Felipe Lessa <[email protected]>
Subject: Re: [Haskell-cafe] Problem with JHC
To: [email protected]
Received: Wednesday, November 11, 2009, 6:23 AM
On Wed, Nov 11, 2009 at 04:32:05AM -0800, Philippos Apolinarius wrote:
> data Op = AND | OR | NOT deriving (Show, Read)
> data Tree= L Int | T Op [Tree] deriving (Show, Read)
Hmm, you see,
> phi...@desktop:~/jhctut$ ./jtree
> Give me a tree:
> T AND (L 1, L 2)
>
> jtree_code.c:2670: case fell off
> Aborted
you declared 'T Op [Tree]' so you should give 'T AND [L 1, L 2]'
as the tree, right?
--
Felipe.
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