[Python-ideas] Quick idea: defining variables from functions that take the variable name

David Mertz mertz at gnosis.cx
Tue May 31 13:35:01 EDT 2016

Bracketing for a moment what keyword might be used, a thing I like about
this syntax is that it can work for multiple names naturally.  E.g.

    expose Symbol as x, y, z

Or with a different word:

    define Typevar as T, S, R

For things like namedtuple that need more arguments, you'd need to use
functools.partial to create the single argument callable to match the
On May 31, 2016 8:44 AM, "Steven D'Aprano" <steve at pearwood.info> wrote:

> On Tue, May 31, 2016 at 08:27:28AM -0700, David Mertz wrote:
> > This is bikeshedding a bit, but a keyword that looks good to me:
> >
> > expose Typevar as T
> > expose Symbol as X
> "expose" sounds like it is taking something hidden or private and
> exposing it to the public. It doesn't give any hint that it takes the
> name T and uses it as an argument to Typevar. I would take it as
> meaning:
> take the (possibly internal or private) thing Typevar, and bind it to
> the name T
> with no hint that Typevar was being called.
> --
> Steve
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