[Python-Dev] The Return Of Argument Clinic (original) (raw)
Armin Rigo arigo at tunes.org
Mon Aug 5 11:42:02 CEST 2013
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Hi Larry,
On Mon, Aug 5, 2013 at 10:48 AM, Larry Hastings <larry at hastings.org> wrote:
Question 4: Return converters returning success/failure?
The option generally used elsewhere is: if we throw an exception, we return some special value; but the special value doesn't necessarily mean by itself that an exception was set. It's a reasonable solution because the caller only needs to call PyErr_Occurred() for one special value, rather than every time. See for example any call to PyFloat_AsDouble().
A bientôt,
Armin.
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