On 10 April 2013 23:26, Tom Ellis <tom-lists-haskell-cafe-2...@jaguarpaw.co.uk> wrote: > On Wed, Apr 10, 2013 at 11:20:15PM +0400, Aleksey Khudyakov wrote: >> This IS rather annoying problem for numeric code. Raising value to positive >> power is quite common operation yet ^ operator generally couldn't be used >> because it leads to warning about type defaulting (rightfully) and one >> wants to keep code warning free. Actually it's problem with warnings and >> I don't think adding some ad-hoc rules for generating warning is necessarily >> bad idea > > Like I demonstrated in my reply to Barak, there is a way around this which > does not require adding ad-hoc complexity to the compiler. > Last time I checked (~2 years ago) GHC generated not very efficient code for ^. But otherwise it's useable solution
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