On Mon, May 7, 2018 at 6:24 AM, Serhiy Storchaka <storch...@gmail.com>
wrote:
> I just don't understand why you need a new keyword for writing runtime
> checks.
>
Oh, that's pretty clear. The OP wants to be able to turn these checks off
with some flag he can set/clear at runtime, and when it's off he doesn't
want to incur the overhead of evaluating the check. The assert statement
has the latter property, but you have to use -O to turn it off. He
basically wants a macro so that
runtime_assert(<expr>)
expands to
if <controlling flag> and (<expr>):
raise AssertionError
In Lisp this would be easy. :-)
--
--Guido van Rossum (python.org/~guido)
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