Why the @ in @safe? & UDAs
Michael
pr at m1xa.com
Thu Nov 7 11:21:48 PST 2013
On Thursday, 7 November 2013 at 16:24:38 UTC, Dicebot wrote:
> On Thursday, 7 November 2013 at 15:55:47 UTC, Jonathan M Davis
> wrote:
>> Then should public and private be @public and @private in
>> order to be
>> consistent? Then we'd be inconsistent with C++, Java, C# etc.
>> which would make
>> it that much harder for folks to learn D. Would you want
>> @static and @const?
>
> One thing experimented with in Volt (D derivative) design is
> that all stuff that affects mangling/ABI gets own keyword
> without "@" and all stuff that fades away like UDA's is
> prefixed with "@". This implies @public and @private, yes, but
> is quite a simple and consistent rule on its own. We will see
> go it will work :) There are some tricky corner cases of course
> with stuff like @nogc/nogc.
>
> P.S. There was a mention that introduction of UDA's has made
> addition of new @-prefixed built-ins impossible without
> breakage. It is not entirely true as symbols used in UDA's are
> qualified and conform to normal symbol lookup rules. Only
> problem is that built-in stuff is pure magic and has no own
> module.
So, @ for UDA only?
+1
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