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Re: package block syntax
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From:
chromatic
Date:
May 19, 2010 10:09
Subject:
Re: package block syntax
Message ID:
201005191009.35499.chromatic@wgz.org
On Wednesday 19 May 2010 at 09:39, Zefram wrote:
> I'm pretty sure that's not the case with package block. The syntactic
> equivalence of "package Foo { ... }" with "{ package Foo; ... }" is a
> quite complete and precise description both of the effect that I'm aiming
> for and of how it's implemented. So I don't think there's room for
> surprises in this case. I totally accept the issue in the general case.
I experimented with the syntax for a while myself. The only possible point of
surprise I could produce is if a user wrote:
package Parent {
...
package Child {
...
}
}
... and expected a nested namespace relationship. Perl 5's behavior here is
no different than if you write:
{
package Parent;
...
{
package Child;
...
}
}
... but the existing syntax seems not to support that idea.
I'm not suggesting any changes to namespace visibility or namespace nesting.
I mention this only to ask if the documentation should explain that no such
namespace nesting exists.
-- c
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