On Tue, Dec 18, 2018 at 10:21 PM Fujii Hironori <fujii.hiron...@gmail.com> wrote:
> > On Tue, Dec 18, 2018 at 12:25 PM Ryosuke Niwa <ryosuke.n...@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? > > I guess the answer is all classes in WebKit which are moved by WTFMove. I'm wondering how much runtime cost it will take to restore valid empty state of all moved-out values.
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