Subject: Re: [boost] Variant2 review
From: Peter Dimov (pdimov_at_[hidden])
Date: 2019-04-08 01:53:39
Gavin Lambert wrote:
> Especially when something as simple as accidentally omitting "noexcept"
> can cause a significant behavioural and storage size change, it's great to
> be able to tell the compiler that this was unintended.
This is, by the way, already the case with std::vector<X>. It will silently
fall back to using the copy constructor if you forget noexcept on the move
constructor of X. See f.ex. https://godbolt.org/z/gv1fN5