In article <[EMAIL PROTECTED]>, Steven Bethard <[EMAIL PROTECTED]> wrote:
> Ron Garret wrote: > > What I'm really trying to do is to create enumerated types such that if: > > > > e1 = enum(lst) and v = e1(x) > > > > then > > > > (x in lst) and (e1[v] == x) > > Use a class with __call__ and __getitem__: > > py> class enum(object): > ... def __init__(self, vals): > ... self.vals = vals > ... def __call__(self, val): > ... return self.vals.index(val) > ... def __getitem__(self, index): > ... return self.vals[index] > ... > py> lst = 'abcd' > py> x = 'b' > py> e1 = enum(lst) > py> v = e1(x) > py> (x in lst) and (e1[v] == x) > True Yeah, except I actually left out one thing: I also want type(v)==e1. rg -- http://mail.python.org/mailman/listinfo/python-list
