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From: Andy (atompkins_at_[hidden])
Date: 2007-06-01 09:29:31

"Martin Bonner" <Martin.Bonner_at_[hidden]> wrote in

> From: Martin Bonner
>> From: Peter Dimov
>> Sent: Thu 31/05/2007 18:04
>>> Hartmut Kaiser wrote:
>>>> You need to add an explicit 'inline' specifier to any function
>>>> defined out of class but in a header, regardless if it's a
> templatized
>>>> function or not.
>>> I don't think that this is true.
>> Why don't you think this is true?
>> If you have the same function defined in two translation units
>> (because it is dragged into both via #include), it's a violation
>> of the One Definition Rule unless the definitions have inline.
>> Apologies for the crap quoting - blame Exchange Webmail
> OK. I've fixed the crap quoting. Now it's time to apologize for the
> crap content. Specifically, section 3.2 [one definition rule]
> paragraph 5 says:
> "There can be more than one definition of a ... non-static function
> template ... in a program provided that each definition appears in a
> different translation unit, and provided the definitions satisfy the
> following requirements."
> (The requirements are met by a definition dragged into two translation
> units via #include.)
> In other words Peter is right; you don't need to declare a function
> template as "inline". If you do, the only effect may be to encourage
> the compiler to inline it.


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