Re: [boost] Outcome v2

On Thu, Jul 13, 2017 at 12:55 AM, Groke, Paul via Boost < boost@lists.boost.org> wrote:

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Emil Dotchevski via Boost Sent: Donnerstag, 13. Juli 2017 00:27

To clarify the clarification of the clarification, I _am_ interested in finding a way to express the equivalent of the Noexcept return throw_() without using TLS, and I don't insist on it being a free function; for example it would be sufficient if somehow I could just return r in case of an error, as long as it works regardless of what error type r might contain, and of course it should be reasonably efficient.

Have you thought about using a type-erased factory - like function - as the error type?

exception_ptr needs a memory allocation so that's a no-go.