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Subject: RE: [STDCXX-905] 22.locale.synopsis link error on Solaris platforms
Date: Wed, 7 May 2008 15:49:34 -0600
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Thread-Topic: [STDCXX-905] 22.locale.synopsis link error on Solaris platforms
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From: "Eric Lemings" <Eric.Lemings@roguewave.com>
To: <dev@stdcxx.apache.org>
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=20

> -----Original Message-----
> From: Martin Sebor [mailto:msebor@gmail.com] On Behalf Of Martin Sebor
> Sent: Thursday, May 01, 2008 2:30 PM
> To: dev@stdcxx.apache.org
> Subject: Re: [STDCXX-905] 22.locale.synopsis link error on=20
> Solaris platforms
>=20
...
>=20
> What we would need to do if we really wanted to exercise the
> template is define a dummy explicit specialization of the
> collate facet on a user-defined (non-fundamental) type such
> as UserChar from rw_char.h and instantiate the template
> operator on it. E.g., something like:
>=20
>    namespace std {
>      template <>
>      struct collate<UserChar>: locale::facet {
>          /* define all members as no-ops */
>      };
>    }
>=20
>    // exercise a specialization other than on the default
>    // char types
>    typedef StringTypes<UserChar>::string_type UserString;
>=20
>    MEMFUN (bool, operator(), (const UserString&, const=20
> UserString&) const);
>=20
> Martin
>=20

I infer from this that if developers need collate facets for
user-defined character types then they are required to define their own
specializations for these types.  That right?

Brad.