Re: [boost] [contract] auto_..._error regression tests fail on C++1z

Subject: Re: [boost] [contract] auto_..._error regression tests fail on C++1z
From: Niall Douglas (s_sourceforge_at_[hidden])
Date: 2017-09-28 23:05:18

> Why... what changed in C++1z that makes the above compile? How can I
> prevent copying x outside its friend function f in C++1z?

C++ 17 guarantees copy elision in the strong sense.

Note it still can't be copied, but it can be initialised now. So disable
non-friend construction to fix.

Niall

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