Re: Proposal: constexpr, non-const member functions

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From	Dave Abrahams <dave@boostpro.com>
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Subject	Re: Proposal: constexpr, non-const member functions
Date	Tue, 8 Nov 2011 14:45:27 -0800 (PST)
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on Tue Nov 08 2011, "Richard Smith"<richard-AT-metafoo.co.uk> wrote:

> Since C++11 is already out of the gate, it's too late to remove the 'constexpr
> implies const' rule, so instead we could consider a syntax like this:
>
>    constexpr T&get() mutable { return v; }
>
> Does this seem like a useful extension?

I don't know whether the intent of your proposal makes sense (haven't
given it much thought) but in principle there's never any impediment to
making a previously-illegal usage legal, so this might not need new syntax.

--
Dave Abrahams
BoostPro Computing
http://www.boostpro.com

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Proposal: constexpr, non-const member functions "Richard Smith"<richard@metafoo.co.uk> - 2011-11-08 11:32 -0800
  Re: Proposal: constexpr, non-const member functions Dave Abrahams <dave@boostpro.com> - 2011-11-08 14:45 -0800
  Re: Proposal: constexpr, non-const member functions Daniel Krügler <daniel.kruegler@googlemail.com> - 2011-11-08 14:47 -0800
  Re: Proposal: constexpr, non-const member functions Marc <marc.glisse@gmail.com> - 2011-11-08 14:47 -0800
    Re: Proposal: constexpr, non-const member functions Daniel Krügler <daniel.kruegler@googlemail.com> - 2011-11-09 21:54 -0800
      Re: Proposal: constexpr, non-const member functions Daniel Krügler<daniel.kruegler@googlemail.com> - 2011-11-09 23:14 -0800

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