On Sun, Apr 17, 2005 at 07:21:55PM -0400, John Peacock wrote:
> Numeric versions - any version which contains only a single decimal point;
> Quoted versions - any version which contains more than one decimal point or
> has a leading 'v' character (the "v-string" form).
>
> My proposal is that for Numeric versions (basically everything on CPAN
> currently), the stringified output is always exactly the same as the
> numified output, i.e. always something that looks like a floating point
> number.
>
> On the other hand, Quoted versions will always output in a reduced normal
> form, with a leading 'v' character and a minimum of two decimal points.
> This has the unfortunate side effect that on any Perl < 5.8.1, this form
> will not be able to "round-trip" safely, e.g.
>
> $v1 = version->("1.2.3");
> $v2 = "$v1";
> print "$v1 != $v2\n"; # prints "v1.2.3 != \1\2\3" for 5.6.0 - 5.8.0
>
> but I think this is the only sane behavior. From what I've seen of Perl6,
> it appears that Larry is intending to take the leading 'v' behavior and
> assign it to a version object (thus abandoning the v-string behavior).
>
> So the rules are:
>
> 1) If a version object is initialized with a floating point value, it will
> stringify as a floating point value;
>
> 2) If a version object is initialized with leading 'v' or contains more
> than one decimal, it will always stringify in the reduced normal form (with
> a leading 'v' and at least two decimals).
>
> Thoughts???
Which rule does:
$VERSION = '0.27_01';
$VERSION = eval $VERSION;
print "$VERSION";
result in?
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