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Subject: Re: [boost] C++03 unique_ptr emulation
From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2009-01-08 03:13:56

On Wed, 7 Jan 2009 20:40:13 -0500, Howard Hinnant <hinnant_at_[hidden]>
> Noteworthy points:
> * 3 of the tests currently fail for me (fail at compile time,
> supposed to compile, run and pass). These are all associated with the
> converting constructor specified in [unique.ptr.single.ctor]. When
> the source and target are of different type, this emulation demands
> that the conversion be explicit, and refuses to compile on implicit
> conversions:
> unique_ptr<base> b(unique_ptr<derived>()); // ok
> unique_ptr<base> b = unique_ptr<derived>(); // causes 3 compile time
> failures under unique.ptr/unique.ptr.single/unique.ptr.single.ctor
> I consider this not bad for an emulation. And otherwise things look
> pretty good. I was able to get more working than I thought I would.

This is consistent with the conversions I could not get to work in my Clang
smart pointers.


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