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Subject: Re: [boost] [gsoc16] Can I quickly check if the below really is the best approach?
From: Louis Dionne (ldionne.2_at_[hidden])
Date: 2016-01-14 19:46:51

Niall Douglas <s_sourceforge <at>> writes:

> Dear Boost,
> In the prototype at
> I claim "Even with all of Boost's facilities
> [1] and using C++ 14, this program represents the currently best
> available method of implementing a static constant associative map of
> keys to values" and you can find either the code at the link or
> pasted below.
> Can I quickly check here if that claim is true? Is there a better way
> than my example program?

I don't see an __easy__ way to do better, i.e. without writing your own map.

> BTW by static constant associative map of keys to values I mean the
> thing me and Tony van Eerd were speaking about here last year and the
> year before, and indeed frequently at BlackBerry!
> Niall
> [1]: I believe Boost.Hana could implement a static constan
> associative map quite easily, but I'd be fairly sure Hana will likely
> be beyond most students.

Only if the keys are known at compile-time. Otherwise, it's out of Hanaland.

Anyway, here's an attempt to implement such a map:

I don't know if it's worthwhile, but it's there. Don't hesitate to let me
know what you think.


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