Marko Rauhamaa <ma...@pacujo.net> writes: > Ben Finney <ben+pyt...@benfinney.id.au>: > > > Since you don't care about identity, only that the objects have > > different values, you should be comparing for equality with ‘==’. > > Ok, one last attempt. > > I need *identifiers*.
And, as you've realised, without an Enum pattern you have the option of using string *values* — because it's the values you want to see in error message output. The *identity* of the values doesn't matter. Any string of the given value will work fine. So don't fool the reader into thinking you actually care about object identity; don't use ‘is’ for comparing these values. Use ‘==’, since that's all that matters for getting a value that will work fine. > The same program still works (and still uses "is" for identity tests, > mind you). You have provided no justification for using an identity test. It confuses the matter by pretending you care about object identity, when you *do not* as evidenced by all your arguments so far. The equality operator ‘==’ is clearer for your purpose, and less confusing. -- \ “[Entrenched media corporations will] maintain the status quo, | `\ or die trying. Either is better than actually WORKING for a | _o__) living.” —ringsnake.livejournal.com, 2007-11-12 | Ben Finney -- https://mail.python.org/mailman/listinfo/python-list
