Depending on the VM you use, different objects are passed by values. Currently -> only smallintegers on Spur 32 bits VM -> smallintegers and characters on Spur 64 bits VM -> smallintegers, characters and smallfloat
But as Stef said it does not really matter in smalltalk. 2014-09-25 21:55 GMT+02:00 nacho <0800na...@gmail.com>: > " > stepharo wrote > >> Hi, > >> In PBE says that ordinary objects' ivars are passed by references and > >> small > >> integers are passed by value. > > > > Strange I do not remember having written that. > > Especially because in Smalltalk this has no real interest. > > > > > > Well you also wrote that :p > > > > "Deep in the implementation of Smalltalk, there are three different kinds > > of objects. There are (1) ordinary objects with instance variables that > > are passed by references, there are (2) small integers that are passed by > > value, and there are (3) indexable objects like arrays that hold a > > contiguous portion of memory. The beauty of Smalltalk is that you > normally > > don’t need to care about the differences between these three kinds of > > object. > > > >> Is there a way to know if a class is passed by reference or by value? > > In Smalltalk consider that everything is an object and that you pass a > > reference to the object. > >> Only small integers are passed as value? > >> Thanks in advance > >> Nacho > >> > >> > >> > >> > >> > >> ----- > >> Nacho > >> Smalltalker apprentice. > >> Buenos Aires, Argentina. > >> -- > >> View this message in context: > >> http://forum.world.st/Passed-by-references-and-by-value-tp4780289.html > >> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >> > >> > > > > > > ----- > Nacho > Smalltalker apprentice. > Buenos Aires, Argentina. > -- > View this message in context: > http://forum.world.st/Passed-by-references-and-by-value-tp4780289p4780321.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. > >
