Thanks for your response. Yes, type in the select block.
Thanks for letting me know I am on the right track... On Sun, Aug 18, 2019 at 12:00:06PM -0400, pharo-users-requ...@lists.pharo.org wrote: > Send Pharo-users mailing list submissions to > pharo-users@lists.pharo.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.pharo.org/mailman/listinfo/pharo-users_lists.pharo.org > or, via email, send a message with subject or body 'help' to > pharo-users-requ...@lists.pharo.org > > You can reach the person managing the list at > pharo-users-ow...@lists.pharo.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Pharo-users digest..." > > > Today's Topics: > > 1. Re: As a SmallTalk youngster: A few questions... (Jupiter Jones) > 2. Re: As a SmallTalk youngster: A few questions... (Jupiter Jones) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 18 Aug 2019 09:09:39 +1000 > From: Jupiter Jones <jupiter.jo...@mail.com> > To: Any question about pharo is welcome <pharo-users@lists.pharo.org> > Subject: Re: [Pharo-users] As a SmallTalk youngster: A few > questions... > Message-ID: <a74a4769-94d9-4b10-8c74-a8f801806...@mail.com> > Content-Type: text/plain; charset="utf-8" > > > The difficulty I am having is that when I want to query the UserManager db > > with something like: > > > > --- > > RcIdentityBag(users) select: [ :each | each name := 'somename' ] > > ? > > Not sure if it?s just a typo, but it appears you?re trying to use assignment > ( := ) rather than comparison ( = ) so shouldn?t this be: > > select: [ :each | each name = 'somename' ] > > > It seems that currently the only I know how to do this is to create a > > select: method in UserManager simply to pass the desired search string into > > the UserManager class such that I can use the Collection Classes api to do > > the actual work, as per: > > > > --- Pardon the not so smalltalky code --- > > UserManager>>select: aString > > | resultSet | > > resultSet := users select: [ :each | each name := aString ]. > > ^resultSet > > --- > > > > I believe I read somewhere that in order to avoid this clunkiness that I > > could refer to the users collection in UserManager via a symbol and access > > the api of the identitySet directly. Something like: > > > > --- > > UserManager class>>current > > > > > > UserGlobals at: #FOO put users. > > ... > > --- > > > > But when I do this I am unable to do something like: > > > > --- > > #FOO add: user > > --- > > This isn?t really necessary - it?s totally up to your application design. The > singleton will work fine. > > > Finally Questions: > > > > 1. Am I totally off the mark with the use of smalltalk symbols? > > 2. Must I create the API in the managing class to perform the specific > > functions I need from the collection API with respect to querying the > > collection? > > 3. Is there a smalltalk way of doing this properly that I missed (reading > > all the docs I can find in random order based of info I need - probably > > missing the finer points)? > > > > Any nudge in the correct direction would be greatly appreciated. > > It all looks good, apart from the select block. > > Cheers > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.pharo.org/pipermail/pharo-users_lists.pharo.org/attachments/20190818/a593a1eb/attachment-0001.html> > > ------------------------------ > > Message: 2 > Date: Sun, 18 Aug 2019 09:11:56 +1000 > From: Jupiter Jones <jupiter.jo...@mail.com> > To: Any question about pharo is welcome <pharo-users@lists.pharo.org> > Subject: Re: [Pharo-users] As a SmallTalk youngster: A few > questions... > Message-ID: <fcbfbdde-42b4-4763-b70a-2ce1382d9...@mail.com> > Content-Type: text/plain; charset="us-ascii" > > Also if you add #FOO to UserGlobals you should be able to reference it like: > > FOO add: user > > ie. without the symbol hash (#) > > > On 17 Aug 2019, at 11:28 pm, ian <i...@icjohnson.com> wrote: > > > > --- > > #FOO add: user > > --- > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.pharo.org/pipermail/pharo-users_lists.pharo.org/attachments/20190818/f19c36fb/attachment-0001.html> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Pharo-users mailing list > Pharo-users@lists.pharo.org > http://lists.pharo.org/mailman/listinfo/pharo-users_lists.pharo.org > > > ------------------------------ > > End of Pharo-users Digest, Vol 76, Issue 36 > *******************************************
