jww...@mozilla.com writes:
> For
>
> RefPtr<T> GetFoo() {
> RefPtr<T> foo;
> // ...
> }
>
> should we:
>
> 1. return foo and expect RVO to kick in to eliminate additional AddRef/Release
> 2. return foo.forget()
> 3. return Move(foo)
>
> Which one is preferred?
>
> ps: I find gcc is able to apply RVO even with "-O0". Not sure if it is also
> true for other compilers.
I think the current practice is to use already_AddRefed<T> as return
type and return foo.forget()
Kanru
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