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From "Travis Vitek" <Travis.Vi...@roguewave.com>
Subject RE: Empty member initializers
Date Mon, 16 Jun 2008 23:33:52 GMT
 

>Eric Lemings wrote:
>
>> Travis Vitek wrote:
>> 
>> >Eric Lemings wrote:
>> > 
>> >How about member templates?  Are these unilaterally supported by all
>> >compilers now?
>> >
>> 
>> From below...
>> 
>>   _RWSTD_NO_INLINE_MEMBER_TEMPLATES /* not used at all */
>
>Well there's an INLINE_MEMBER_TEMPLATES.cpp check and then there's a
>separate MEMBER_TEMPLATES.cpp check.  I assume they check different
>things.  :)

Yes, I realize this. The former checks that inline member templates are
supported. The latter checks that member templates can be defined
outside the body of the class.

AFAICT, inline member templates are used in library code without guards,
so you can safely assume support for 4.2.x and later.

If you want anything further than that [i.e. member templates defined
outside the body of the class, member template overloads, ...], you have
to look to see what all of the supported compilers allow. If one or more
of the currently supported compilers defines _RWSTD_NO_MEMBER_TEMPLATES,
then you will likely have to work around the issue in any new code. If
none of them define it, then some decision will have to be made if it is
safe to assume support for other compilers or not.

Travis

>
>Brad.
>

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