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Subject: Re: [boost] [optional] operator<(optional<T>, T) -- is it wrong?
From: David Stone (david_at_[hidden])
Date: 2014-11-27 09:14:37

On Wed, Nov 26, 2014 at 4:49 PM, Gavin Lambert <gavinl_at_[hidden]>

> But why do you want to have optional keys anyway? When does it make sense
> to have a single value attached to an empty key? It's rare for a
> dictionary type to permit null keys in any language.

I think this is a good point. Has anyone reading this list every actually
used std::map<boost::optional<T>, U>?

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