Re: [boost] rvalue ref best practices?

Subject: Re: [boost] rvalue ref best practices?
From: Peter Dimov (pdimov_at_[hidden])
Date: 2012-06-11 07:35:46

Mathias Gaunard wrote:
> According to this rule, I should pass by value whenever I want to copy the 
> variable anyway.
>
> template<class T>
> struct foo
> {
>    T t;
>    foo(T t_) : t(t_) {}
> };

t( std::move( t_ ) ). In this case you can also std::forward, of course, 
this being a textbook example of forwarding, but then everything becomes 
convertible to foo, enter enable_if, and so on.