[Issue 20982] Add a pragma to suppress deprecation messages

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20982

--- Comment #7 from Andrei Alexandrescu <andrei at erdani.com> ---
(In reply to Stanislav Blinov from comment #6)
> (In reply to Andrei Alexandrescu from comment #2)
> > Another idea from Stefan was to control this programmaticaly:
> > 
> > static if (deprecated(symbol)) {
> >     ... avoid ...
> > }
> 
> Yeah, we can kind of do this already, though it's a mouthful:
> 
>     static foreach (name; __traits(allMembers, Foo))
>     {
>         static if (!__traits(isDeprecated, __traits(getMember, Foo, name)))
>         {{
>             alias sym = __traits(getMember, Foo, name);
>         }}
>     }

Forgot about that, thanks!

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