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Subject: Re: [boost] [std_rdb] [rdb] 0.2.02
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-12-07 09:14:59

Jean-Louis Leroy wrote:
> I use float_ (note: underscore) for the variable type for
> receiving float values (and the length/null indicator). I am a
> bit tempted to switch to a convention that would prevent
> clashes with C++ names, e.g. Float or FLOAT. This would solve
> the problem of `select` clashing with the socket function from
> the C lib, e.g. : SELECT(, ...

I'm troubled by something named so like a built-in type behaving differently (the length/null indicator). I know the names are in a namespace, but given a using directive, they won't be scope resolved.

"FLOAT" is definitely out as it looks like a macro. "Float" is against Boost naming conventions. That would seem to leave only an affix to modify the type name. The affix should be short, too, for convenience. Here are a couple of ideas; some are too long:


"rdb_float" is troubling because it would appear in the "rdb" (perhaps "std::rdb") namespace, so "rdb" is duplicated.

Perhaps using a name that deviates from the type name a bit, like "fp," "boolean," etc., would work well.

You mentioned the potential conflict with select(). I doubt such code would be in the same translation unit, but even if it were, "rdb::select" and "::select" will remove the ambiguities.

Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP

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