Re: [boost] Singular variants?

From: E. Gladyshev (egladysh_at_[hidden])
Date: 2003-10-11 02:53:21

--- Gabriel Dos Reis <gdr_at_[hidden]> wrote:
> "E. Gladyshev" <egladysh_at_[hidden]> writes:
> 
> | If the variant interface says that the variant can
> | go 'singular' or 'unspecified content' in *some* cases,
> | The poor guy will have to handle it as a normal
> | normal variant's interface. He would not care when
> | and how the variant goes 'singular' or 
> | 'unspecified content'. If any of these can happen, 
> | he should handle it in his f() function.
> | It is like f( char* p ). A good f() behaves well
> | when p = NULL.
> 
> I disagree.  A singular value is not like any other values.  It is a
> mistake to make people into believeing otherwise.  

What is so special about it?

> encouraged to read docs and be careful about specs.  Variant isn't the
> kind of tools that the careless programmer  is supposed to use.

On the contrary, I was talking about a programmer who cares and wants
to make her f(...) function safe and sound.

Eugene

__________________________________
Do you Yahoo!?
The New Yahoo! Shopping - with improved product search
http://shopping.yahoo.com