style: Add a Zero trait that doesn't require Add, and use it in place of num_traits and IsZeroLength.

Use it to be consistent in InsetRect serialization and storage between Servo and
Gecko.

Differential Revision: https://phabricator.services.mozilla.com/D21493
This commit is contained in:
Emilio Cobos Álvarez 2019-02-28 19:03:03 +00:00
parent 4496411edc
commit 7d01114cbf
29 changed files with 179 additions and 186 deletions

View file

@ -6,7 +6,7 @@
use crate::values::distance::{ComputeSquaredDistance, SquaredDistance};
use crate::values::CSSFloat;
use num_traits::Zero;
use crate::Zero;
use std::f64::consts::PI;
use std::fmt::{self, Write};
use std::{f32, f64};