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Change ToCss to take a CssWriter<W>

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This more concrete wrapper type can write a prefix the very first time something
is written to it. This allows removing plenty of useless monomorphisations caused
by the former W/SequenceWriter<W> pair of types.
This commit is contained in:
Anthony Ramine 2018-01-22 19:58:01 +01:00
parent 3672856efa
commit cd8f96cc9e
89 changed files with 873 additions and 533 deletions
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14
components/style/values/computed/text.rs
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@ -6,8 +6,8 @@
#[cfg(feature = "servo")]
use properties::StyleBuilder;
use std::fmt;
use style_traits::ToCss;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ToCss};
use values::{CSSInteger, CSSFloat};
use values::animated::ToAnimatedZero;
use values::computed::{NonNegativeLength, NonNegativeNumber};
@ -66,7 +66,10 @@ impl TextOverflow {
}
impl ToCss for TextOverflow {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
if self.sides_are_logical {
debug_assert!(self.first == TextOverflowSide::Clip);
self.second.to_css(dest)?;
@ -80,7 +83,10 @@ impl ToCss for TextOverflow {
}
impl ToCss for TextDecorationLine {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: fmt::Write {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
let mut has_any = false;
macro_rules! write_value {