He *did* use the keys -- to construct the new hash.

And you also used the keys, when you constructed the new hash.

But you also used the values at point -- and then again when you modified them.

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: map2 {} grep2 {} ... by BrowserUk
in thread map2 {} grep2 {} ... by jozef

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