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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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12
components/style/values/computed/font.rs
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@ -19,7 +19,7 @@ use std::fmt::{self, Write};
use std::hash::{Hash, Hasher};
#[cfg(feature = "servo")]
use std::slice;
use style_traits::{ToCss, ParseError};
use style_traits::{CssWriter, ParseError, ToCss};
use values::CSSFloat;
use values::animated::{ToAnimatedValue, ToAnimatedZero};
use values::computed::{Context, NonNegativeLength, ToComputedValue};
@ -201,7 +201,7 @@ impl FontSize {
}
impl ToCss for FontSize {
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: fmt::Write {
self.size.to_css(dest)
}
}
@ -257,7 +257,7 @@ impl MallocSizeOf for FontFamily {
}
impl ToCss for FontFamily {
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: fmt::Write {
let mut iter = self.0.iter();
iter.next().unwrap().to_css(dest)?;
for family in iter {
@ -279,7 +279,7 @@ pub struct FamilyName {
}
impl ToCss for FamilyName {
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: fmt::Write {
match self.syntax {
FamilyNameSyntax::Quoted => {
dest.write_char('"')?;
@ -488,7 +488,7 @@ impl SingleFontFamily {
}
impl ToCss for SingleFontFamily {
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: fmt::Write {
match *self {
SingleFontFamily::FamilyName(ref name) => name.to_css(dest),
@ -731,7 +731,7 @@ impl FontLanguageOverride {
}
impl ToCss for FontLanguageOverride {
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: fmt::Write {
use std::str;
if self.0 == 0 {