Multiple versions of a non-exported dependency

[cowwoc]

Alex,

I get this point but if "requires" does not take a version number today 
then the Java launcher can never add this functionality in the future. 
On the flip side, if you take a version string today and decide to drop 
it tomorrow ("this value is ignored in Java 12 and higher") there is 
minimal harm.

What's the downside here? How much work is involved in taking in this 
string?

Gili

On 2016-08-31 3:51 PM, Alex Buckley [via jigsaw-dev] wrote:
> On 8/31/2016 12:39 PM, cowwoc wrote:
> > I don't even care if you keep the current restrictions in place (allow
> > only one version per layer)
>
> There is no such restriction in the Java Platform Module System --
> please look at java.lang.reflect.Layer. The restriction to a single
> version of each module resides in the 'java' launcher [*] because we
> don't want to change the class loading behavior of regular Java
> applications.
>
> Alex
>
> [*] That's not the full story, as the boot layer with the application
> loader has already been created by the time the launcher runs, but from
> the user's point of view it's all "the 'java' launcher".
>
>
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