[dmd-beta] D 1.074 and 2.059 betas 2

[David Simcha]

I reopened Bug 7815 because I found a new test case where it still doesn't
work even in the latest beta.

http://d.puremagic.com/issues/show_bug.cgi?id=7815

On Sat, Apr 7, 2012 at 6:14 PM, Walter Bright <walter at digitalmars.com>wrote:

>
>
> On 4/7/2012 2:21 PM, Nick Sabalausky wrote:
>
>> From: "Nick Sabalausky" <bus_dmdbeta at semitwist.com>
>>
>>> While the test case for #7826 now works, for some reason I'm still
>>> getting the same warning in my own projects (but without "pure" being
>>> included in "must be declared as...") even though they which use the
>>> *exact* same toHash function (well, except "str" having a different name).
>>> I'll try to figure out a new test case after I get some sleep...
>>>
>>>
>> /facepalm: With Beta2, I wasn't getting the probelem with the original
>> test case (ie "const hash_t toHash()") because I wasn't compiling it with
>> warnings enabled.
>>
>> So here's the "issue" now, *if* it even is an issue (I'm not sure):
>>
>> With Beta2's current fix for #7826, I can do this without warnings or
>> errors:
>>
>>   struct Foo {
>>       string str;
>>       const nothrow @safe hash_t toHash() {
>>           return typeid(string).getHash(&str);
>>       }
>>   }
>>
>> But, this (ie, removing nothrow and/or @safe):
>>
>>   struct Foo {
>>       string str;
>>       const hash_t toHash() {
>>           return typeid(string).getHash(&str);
>>       }
>>   }
>>
>> Gives me a warning:
>>
>> Warning: toHash() must be declared as extern (D) uint toHash() const
>> nothrow @safe, not const uint()
>>
>> Is this the correct behavior or not? Jonathan's comment over here (
>> http://d.puremagic.com/issues/**show_bug.cgi?id=7826<http://d.puremagic.com/issues/show_bug.cgi?id=7826>) suggested that toHash in a struct shouldn't require nothrow or @safe. I'm
>> refraining from having any opinion on the matter ATM, I just wanted to
>> bring it up in case the current fix is incomplete.
>>
>>
> It's correct behavior. We're moving towards const/pure/nothrow/@safe for
> all those functions.
>
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