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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/media_queries.rs
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@ -14,9 +14,9 @@ use error_reporting::{ContextualParseError, ParseErrorReporter};
use parser::{ParserContext, ParserErrorContext};
use selectors::parser::SelectorParseErrorKind;
use serialize_comma_separated_list;
use std::fmt;
use std::fmt::{self, Write};
use str::string_as_ascii_lowercase;
use style_traits::{ToCss, ParseError, StyleParseErrorKind};
use style_traits::{CssWriter, ToCss, ParseError, StyleParseErrorKind};
use values::CustomIdent;
#[cfg(feature = "servo")]
@ -33,8 +33,9 @@ pub struct MediaList {
}
impl ToCss for MediaList {
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,
{
serialize_comma_separated_list(dest, &self.media_queries)
}
@ -86,8 +87,9 @@ impl MediaQuery {
}
impl ToCss for MediaQuery {
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 let Some(qual) = self.qualifier {
qual.to_css(dest)?;