why cannot assign to function call

Aaron Brady castironpi at gmail.com
Wed Jan 14 03:15:09 CET 2009


On Jan 13, 5:06 pm, Mark Wooding <m... at distorted.org.uk> wrote:
snip
> I'm going to move away from the formal semantics stuff and try a
> different tack.  Here's what I think is the defining property of
> pass-by-value (distilled from the formal approach I described earlier,
> but shorn of the symbolism):
>
>   The callee's parameters are /new variables/, initialized /as if by
>   assignment/ from the values of caller's argument expressions.

In other words, the same as assignment in that language.

snip
> Because its argument passing works the same way as its assignment.

That would be called pass-by-assignment.  But you've just postponed
explaining yourself.  Stop delegating and work.



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