Re: [boost] type_traits and std::pair

From: Beman Dawes (bdawes_at_[hidden])
Date: 2001-08-30 12:44:48

At 07:04 AM 8/24/2001, John Maddock wrote:
 >
 >>Would I be right in saying that a std::pair<int, int> is a POD type?<
 >
 >On second thoughts, std::pair is required to have three overloaded
 >constructors, so it can never be a POD, ...

8.5.1 puts all sorts of restrictions on aggregate classes, and thus on 
POD's.

No user declared constructors, no private or protected non-static data 
members, no base classes, no virtual functions.

So std::pair<> is clearly not a POD.

--Beman