Not to start a flame war or religious debate, but I don't think that eta-expansions should be considered bad style. I realize that composition-style is good for certain types of reasoning, but fully eta-expanded code has an important legibility advantage: you can tell the shape of its type just by looking at it! Personally, I'd rather read the original version. -Dan On Feb01, Derek Elkins wrote:
On Fri, 2008-02-01 at 00:09 -0500, Cale Gibbard wrote:
Hello,
Today on #haskell, resiak was asking about a clean way to write the function which allocates an array of CStrings using withCString and withArray0 to produce a new with* style function. I came up with the following:
nest :: [(r -> a) -> a] -> ([r] -> a) -> a nest xs = runCont (sequence (map Cont xs))
This is what you write after all that time on #haskell?
nest = runCont . sequence . map Cont
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