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Postings from January 2001
In article <20010107175242.A1935@pembro26.pmb.ox.ac.uk>,
Simon Cozens <simon@cozens.net> writes:
> On Sun, Jan 07, 2001 at 12:30:06PM -0500, Ronald J Kimball wrote:
>> > sub foo :lvalue {shift} foo($a) = 7
>>
>> "it is possible to return a modifiable value from a subroutine" does not at
>> all mean the same thing as "all values returned from a subroutine are
>> modifiable".
>
> Fair enough. Try this:
> I am returning a value from a subroutine.
> The value I am returning is the value of the first parameter.
> The value of first parameter of the subroutine is modifiable.
> The value that I am returning is modifiable.
>
> Where's the fallacy?
You are returning a COPY of the value of the first parameter.
shift does not give an lvalue
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