[Haskell-cafe] Maybe use advice

Stephen Tetley stephen.tetley at gmail.com
Mon Jun 6 23:11:49 CEST 2011

Hi Lyndon

Are you just coalescing adjacent elements (if they are the same constructor)?

As it seems you have a list here rather than a tree, I'd step out of
Uniplate at this point and just do a list traversal with direct

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