out of curiosity, when is the =<< useful? I have never used it and I am wondering if it could have been making my life easier. Perhaps I have just not been trained to recognize when it should be used.
I don't know if this counts as "useful", but I think it works as the monadic variant of function composition.
#g
------------ Graham Klyne For email: http://www.ninebynine.org/#Contact
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