That's not what I said it returns. You ignored half the answer. Whatever you claimed to have proven probably wasn't.

To my personal surprise, ikegami mentioned earlier in this thread that

You can't use a different definition of "side-effects" and assume what other people said about them still applies. According to the definition I was using, the assignment has no side-effects. But I'm fine with with what I said even when using the functional programming definition. It's not that the assignment operators shouldn't be used, it's that creating operators and subs with side-effects should be done with care.

In reply to Re^9: rv of list assignment (was "map in void context") by ikegami
in thread map in void context by dharanivasan

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