(subject changed from: RE: [Rd] Avoiding name clashes: opinion on best practice naming conventions)
Dominick Is this really true? Is there a speed advantage to defining a local function this way, say, within another function, and then calling it within a loop rather than the original? Do you have data on this? Paul > -----Original Message----- > From: r-devel-boun...@r-project.org [mailto:r-devel-bounces@r- > project.org] On Behalf Of Dominick Samperi > Sent: February 16, 2011 12:44 PM ... > Since the resolution of myPkg::foo() occurs at runtime (via a function > call) instead > of at compile time (as it would in C++), this practice can introduce a > significant > performance hit. This can be avoided by doing something like: > mylocalfunc <- myPkg::foo > [tight loop that uses mylocalfunc repeatedly] > > Here mylocalfunc would not be exported, of course. > > Dominick ... ==================================================================================== La version française suit le texte anglais. ------------------------------------------------------------------------------------ This email may contain privileged and/or confidential information, and the Bank of Canada does not waive any related rights. Any distribution, use, or copying of this email or the information it contains by other than the intended recipient is unauthorized. If you received this email in error please delete it immediately from your system and notify the sender promptly by email that you have done so. ------------------------------------------------------------------------------------ Le présent courriel peut contenir de l'information privilégiée ou confidentielle. La Banque du Canada ne renonce pas aux droits qui s'y rapportent. Toute diffusion, utilisation ou copie de ce courriel ou des renseignements qu'il contient par une personne autre que le ou les destinataires désignés est interdite. Si vous recevez ce courriel par erreur, veuillez le supprimer immédiatement et envoyer sans délai à l'expéditeur un message électronique pour l'aviser que vous avez éliminé de votre ordinateur toute copie du courriel reçu. ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
