Domingo Alvarez Duarte wrote:
> Look at http://en.wikipedia.org/wiki/Sizeof they explain it there.
> [..] The sizeof operator must take into account the
> implementation of the underlying memory allocation scheme to obtain the
> sizes of various datatypes. sizeof is usually a compile-time operator,
> which means that during compilation, sizeof and its operand get replaced
> by the result-value. [..]
Sounds good, though I see some wiggle room in that excerpt
("/usually/ a compile-time operator").
I looked at the ANSI C++ spec (ISO 14882), but could not find a clear
definition on this.
Certainly empirical tests with VS and g++ show the string doesn't end
up in the runtime binary, but that's dangerous to go by as it may be
implementation specific. I believe I saw a citation that said sizeof()
was compile-time in pre-C99 specs, which seems to imply it might not
be the case in post-C99 specs.
I defer to others more knowledgeable on this, as I spent a bit of time
sniffing around on google but couldn't find language specific on whether
or not the string needs to be excluded from the runtime binary.
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