[webkit-dev] Watch out for std::optional's move constructor

[Fujii Hironori]

On Tue, Dec 18, 2018 at 12:25 PM Ryosuke Niwa <ryosuke.niwa at gmail.com>
wrote:

> Also, as Geoff has already pointed out, the behavior of STL doesn't
> prevent us from writing our own template library to always have a very well
> specified & good state after std::move'ed & its value was move-constructed.
>

Do you mean only WTF classes should guarantee the valid empty state after
moved-out?
Should we use std::exchange and std::move properly for other classes in
WebKit?
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