On Jan 4, 2011, at 11:43 PM, Ralph Boland wrote: > I earlier posted a Xmas wish that Pharo add generators > (steal the generators code from Squeak). > No one appeared to be familiar with them. > The generators code was added to Squeak by Andreas Raas. > The class Generator can be found in Squeak as a subclass > of Stream. It's about 140 lines of code and, as I said before, > is really useful and needed in order for me to port some of the > packages I am developing from Squeak to Pharo. > Class Generator is tested in class GeneratorTest which also serves > as examples of uses of Generators. > So please, someone go steal the code!
Ralph please package it, open ticket, so that we have tracability. > And stealing is easy. We are not stealing we are reusing. And Generator are probably coming from GNU Smalltalk. > For example I stole the following comment on > class Generator directly from the class comment: > > " > A Generator transforms callback interfaces into stream interfaces. > > When a producer algorithm provide results as callbacks (blocks) and a > consumer algorithm expects streamable input, a Generator transforms > one into the other, for example: > > | generator | > generator := Generator on: [:g| Integer primesUpTo: 100 do:[:prime| g > yield: prime]]. > [generator atEnd] whileFalse:[Transcript show: generator next]. > " > > Regards, > > Ralph Boland >
