Allows configuration of "lower number is better"

rebase of #67
Sure. I imagined that this section would come in handy soon, but totally
fine leaving that for later.
On Sep 1, 2014 8:29 PM, "Aidan Feldman" <notifications@github.com> wrote:

> In README.md:
>
> > @@ -189,6 +189,22 @@ bundle exec rake tricle:preview
> >  open http://localhost:8080
> >  ```
> >
> > +## Customizing
> > +
> > +### "Lower is better" metrics
> > +
> > +If you have a metric where a lower number is considered better, you'll want to override the `better` method so Tricle highlights your cells properly:
> > +
> > +```ruby
> > +class LowerIsBetterMailer < Tricle::Mailer
> > +  def better
> > +    :lower
> > +  end
> > +
> > +  ...
> > +end
>
> We might as well be consistent and move this into the mailer documentation
> above.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/afeld/tricle/pull/70/files#r16966718>.
>