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.