On Mon, May 24, 2021 at 09:49:13PM -0000, Joren wrote:
> It's unfortunate that there is no way to have e.g. `'spam' in
> my_symbolic_set` evaluate to something else than a boolean. Also, this
> approach will not work with everything else for which there is no
> dunder method, e.g. `math.sin(my_symbolic_value)` cannot be tricked
> into returning a Symbol.
Monkey-patching to the rescue.
import math
from math import sin as _sin
def my_sin(x):
if isinstance(x, Symbol):
...
else:
return _sin(x)
math.sin = my_sin
Obligatory link to:
https://avdi.codes/why-monkeypatching-is-destroying-ruby/
--
Steve
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