[Tutor] Is there a test for hashability?

Hugo Arts hugo.yoshi at gmail.com
Thu Sep 1 17:37:50 CEST 2011

On Thu, Sep 1, 2011 at 5:28 PM, Richard D. Moores <rdmoores at 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.

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