the only think is that the #() and '' will not be created all the time but in the compile method literal frame.
Stef > would the idea to be to rewrite every #() with Array empty? > > If that was the case could you get the compiler to do that as an > optimization? I quite like the fact that #() is the empty array. it's > nice and compact; quite aesthetic. > > cheers, > Mike > > On Sat, Feb 13, 2010 at 11:06 AM, Stéphane Ducasse > <stephane.duca...@inria.fr> wrote: >> Hi guys >> >> chris mueller proposed in squeak to have >> >> >> Exception>>messageText >> "Return an exception's message text." >> + ^ messageText ifNil: [ String empty ]! >> - >> - ^messageText! >> >> - Added Array class>>#empty and String class>>#empty to provide applications >> with >> canonicalized instances of these oft-used objects; since they are embedded >> as literals in the >> CompiledMethod. >> >> =============== Diff against Collections-ar.304 =============== >> >> Item was added: >> + ----- Method: Array class>>empty (in category 'instance creation') ----- >> + empty >> + "A canonicalized empty Array instance." >> + ^ #()! >> >> Item was added: >> + ----- Method: String class>>empty (in category 'instance creation') ----- >> + empty >> + "A canonicalized empty String instance." >> + ^ ''! >> >> Item was removed: >> - ----- Method: String>>asDefaultDecodedString (in category 'converting') >> ----- >> - asDefaultDecodedString >> - >> - ^ self >> >> >> http://code.google.com/p/pharo/issues/detail?id=1961 >> _______________________________________________ >> Pharo-project mailing list >> Pharo-project@lists.gforge.inria.fr >> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >> > > _______________________________________________ > Pharo-project mailing list > Pharo-project@lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project _______________________________________________ Pharo-project mailing list Pharo-project@lists.gforge.inria.fr http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
