On Thu, Sep 1, 2011 at 11:37 AM, Hugo Arts <hugo.yo...@gmail.com> wrote:
> On Thu, Sep 1, 2011 at 5:28 PM, Richard D. Moores <rdmoo...@gmail.com> > wrote: > > Thanks, James, from your ideas I've come up with this function as a > > general test for hashibility of any object: > > > > def is_hashable(object): > > try: > > if hash(object): > > return True > > except TypeError: > > return False > > > > But is it? It returns True for ints, floats, sets, tuples, strings, > > functions; and False for lists > > > > Dick > > Are you sure? In my testing it returns False for sets, but True for > frozensets as it should. > I agree with hugo, I just tested with all of these: a = 'a' b = [] c = 1 d = () e = set() f = frozenset() it gave the correct response for each a = 'a' - True b = [] - False c = 1 - True d = () - True e = set() - False f = frozenset() - True
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