Le 07/01/11 18:21, Alain Frisch a écrit : > On 01/07/2011 04:35 PM, Dario Teixeira wrote: >> that is, I don't see why purity would require lazyness. lazyness implies eta equivalence : (fun x -> f x) is not observationally equivalent to f in a strict language. I don't think this is a major problem of strict language over lazy ones ... Especially compared to the problem of complexity prediction which is harder in lazy languages ... And by the way : PML is strict, pure with exceptions ... And I consider exceptions to be pure because they enjoy reference transparency ... But the PML compiler is not yet there ... Cheers, Christophe -- Christophe Raffalli Universite de Savoie Batiment Le Chablais, bureau 21 73376 Le Bourget-du-Lac Cedex tel: (33) 4 79 75 81 03 fax: (33) 4 79 75 87 42 mail: Christophe.Raffalli@univ-savoie.fr www: http://www.lama.univ-savoie.fr/~RAFFALLI --------------------------------------------- IMPORTANT: this mail is signed using PGP/MIME At least Enigmail/Mozilla, mutt or evolution can check this signature. The public key is stored on www.keyserver.net ---------------------------------------------