Hi Ryan, can you help to know how to understand code challenges?

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> On Mar 19, 2015, at 1:49 PM, Ryan Davis <ryand-ruby / zenspider.com> wrote:
>=20
>=20
>> On Mar 19, 2015, at 07:14, Darryl L. Pierce <mcpierce / gmail.com> wrote:
>>=20
>> I'm developing some code that needs to intercept when an instance
>> variable is set for a class. It needs to be arbitrary; i.e., I don't
>> want to have to have code declare variables differently than they do now
>> and I don't want them to have to create mutator methods (since it needs
>> to intercept non-public values as well).
>=20
> You can't, at least not without some serious C-level hacking. There are no=
 hooks for such a thing (there are hooked variables that you can trace, but t=
hey're all globals).
>=20
> This is a big reason why my code has as few "@"s as possible. Wrapping an a=
ccessor method is a lot simpler than hooking into the runtime itself.