escaping addresses of ref parameters - not
Michel Fortin
michel.fortin at michelf.com
Tue Feb 10 03:29:26 PST 2009
On 2009-02-08 22:39:36 -0500, Andrei Alexandrescu
<SeeWebsiteForEmail at erdani.org> said:
> ***************
> Rule: ref parameters are PASS-DOWN and RETURN only. No escaping of
> addresses of ref parameters is allowed. If you want to escape the
> address of a ref parameter, use a pointer in the first place.
> ***************
Isn't the "this" argument for struct a ref now? So you can't do this
any longer:
static A[] listOfRegisteredA;
struct A
{
void register()
{
listOfRegisteredA ~= &this;
}
}
> This rule is powerful and leads to an honest style of programming: if
> you plan on escaping some thing's address, you make that clear in the
> public signature.
But you can't change the "this" parameter to not be a ref, can you?
--
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/
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