Re: [boost] [Fit]Â formal review starts today

Subject: Re: [boost] [Fit] formal review starts today
From: Paul Fultz II (pfultz2_at_[hidden])
Date: 2016-03-05 11:03:16

On Saturday, March 5, 2016 at 5:15:01 AM UTC-6, Rob Stewart wrote:
>
> On March 4, 2016 3:27:08 PM EST, Paul Fultz II <pfu..._at_[hidden] 
> <javascript:>> wrote: 
> > 
> > The library could switch to using `Callable`, if everyone feels that is 
> > better. However, I honestly prefer to make mutable explicit. I would 
> > like to hear feedback from other reviewers as well. 
>
> If your library only requires Callable, then users can supply a Callable 
> or a ConstCallable. When you require a ConstCallable, they cannot supply a 
> Callable. There may be valid reasons for that restriction in certain cases, 
> but they should be documented rather than just imposed as a convention. 
>

Yes and if there are valid reasons for the mutable function object then the 
`mutable_` adaptor can be used. The mutable adaptor makes a mutable 
function object ConstCallable. Mutability is not prohibited, its just 
explicit.
 

>
> ___ 
> Rob 
>
> (Sent from my portable computation engine) 
>
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