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Re^3: Modification of a read-only value attempted

by BrowserUk (Pope)
on Nov 27, 2012 at 13:57 UTC ( #1005861=note: print w/replies, xml ) Need Help??

in reply to Re^2: Modification of a read-only value attempted
in thread Modification of a read-only value attempted

So why we can't change $c=1000?

As roboticus points out, you can make that change. That is, you can overwrite the value in $c -- currently the address of the constant 99 -- with any other value.

What you cannot do is overwrite the value held at the address held in $c, because it is a constant.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
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.

RIP Neil Armstrong

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