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style: Derive more.

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Differential Revision: https://phabricator.services.mozilla.com/D17029
This commit is contained in:
Bobby Holley 2019-01-18 12:39:29 -08:00 • committed by Emilio Cobos Álvarez
parent 137e735d9d
commit af1bbd7b06
8 changed files with 14 additions and 91 deletions
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34
components/selectors/builder.rs
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@ -23,7 +23,6 @@ use servo_arc::{Arc, HeaderWithLength, ThinArc};
use smallvec::{self, SmallVec};
use std::cmp;
use std::iter;
use std::ops::{Add, AddAssign};
use std::ptr;
use std::slice;
@ -222,44 +221,13 @@ impl SpecificityAndFlags {
const MAX_10BIT: u32 = (1u32 << 10) - 1;
#[derive(Clone, Copy, Eq, Ord, PartialEq, PartialOrd)]
#[derive(Add, AddAssign, Clone, Copy, Default, Eq, Ord, PartialEq, PartialOrd)]
struct Specificity {
id_selectors: u32,
class_like_selectors: u32,
element_selectors: u32,
}
impl AddAssign for Specificity {
#[inline]
fn add_assign(&mut self, rhs: Self) {
self.id_selectors += rhs.id_selectors;
self.class_like_selectors += rhs.class_like_selectors;
self.element_selectors += rhs.element_selectors;
}
}
impl Add for Specificity {
type Output = Specificity;
fn add(self, rhs: Specificity) -> Specificity {
Specificity {
id_selectors: self.id_selectors + rhs.id_selectors,
class_like_selectors: self.class_like_selectors + rhs.class_like_selectors,
element_selectors: self.element_selectors + rhs.element_selectors,
}
}
}
impl Default for Specificity {
fn default() -> Specificity {
Specificity {
id_selectors: 0,
class_like_selectors: 0,
element_selectors: 0,
}
}
}
impl From<u32> for Specificity {
#[inline]
fn from(value: u32) -> Specificity {