[Webkit-unassigned] [Bug 164922] [SOUP] Simplify custom protocols handler implementation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=164922

--- Comment #20 from Darin Adler <darin at apple.com> ---
(In reply to comment #18)
> I learned it recently
> the hard way in bug #164631. When using the sink paramater there's no move
> constructor for the parameter so that when the value is moved the ownership
> is transferred, but the moved value is not set to nullptr, you have to use
> exchange or swap in that particular case if you need to ensure the value is
> nullptr after the move.

I need to learn more about this. Could you show me a simple test program that demonstrates a moved value and a unique_ptr that is not set to nullptr after the value is moved out? I don’t think this exists, but a sample .cpp file could help me understand.

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