Re: [boost] Re: const_string + recursive_variant = boom

From: Beman Dawes (bdawes_at_[hidden])
Date: 2004-11-07 18:54:12

At 06:04 PM 11/7/2004, Eric Friedman wrote:
 >Maxim,
 >
 >I am one of the Variant authors. Could you clarify what you mean by
 >standard templates "shall not be used with incomplete types"---does this
 >mean for instance that std::vector<incomplete_t> is undefined? If so, is
 >it undefined even if such a type is even only mentioned in a program
 >without actually ever instantiating the template?

17.4.3.6 says it is undefined "if an incomplete type (3.9) is used as a 
template argument when instantiating a template component."

--Beman