Re: Motion 57 and decoratedEqual
Vincent, P1788
On 2013 Nov 20, at 01:00, Vincent Lefevre wrote:
> The decoratedEqual operation has been introduced in Motion 57.
>
> I wonder whether this operation would be useful in practice: Is there
> any application that would need this operation, i.e. need to detect
> whether both the interval parts and the decoration parts are equal
> except for NaI?
>
> Note that if you want to check whether two results are the same (e.g.
> computed by different, but equivalent algorithms), you would need a
> true result on (NaI,NaI), contrary to what decoratedEqual gives.
>
> If there isn't any practical use, I don't think it should be kept in
> the standard.
Good writing often involves writing too much and then cutting. I'm happy to drop this operation if no one speaks up for it.
John Pryce