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Subject: Re: [boost] [outcome] comments on Regular ops
From: Vinícius dos Santos Oliveira (vini.ipsmaker_at_[hidden])
Date: 2018-01-24 17:11:45

2018-01-22 19:31 GMT-03:00 Gavin Lambert via Boost <boost_at_[hidden]>:

> On 23/01/2018 03:53, Niall Douglas wrote:
>> My recommendation would be not to provide comparison operators if either
>>> `T` or `EC` does not provide them.
>> Agreed. Logged to
> I assume this would be individually for each case?
> There is still benefit in providing operator==(EC) even if T does not
> provide operator==, eg. for the construct:
> if (outcome == make_error_code(xxx))
> (not sure if this is the exact spelling, but it's something like this)
> Especially in generic code templated on T. The alternative is much more
> wordy and not really any clearer.

By alternative do you mean the following?

if (outcome.error() == make_error_code(xxx))

I don't find it that much verbose and prefer to stick to Andrzej's
suggestion on only providing these operators conditionally.

Vinícius dos Santos Oliveira

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