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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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4
components/style/selector_parser.rs
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@ -9,7 +9,7 @@
use cssparser::{Parser as CssParser, ParserInput};
use selectors::parser::SelectorList;
use std::fmt::{self, Debug, Write};
use style_traits::{ParseError, ToCss};
use style_traits::{CssWriter, ParseError, ToCss};
use stylesheets::{Origin, Namespaces, UrlExtraData};
/// A convenient alias for the type that represents an attribute value used for
@ -201,7 +201,7 @@ impl Direction {
}
impl ToCss for Direction {
fn to_css<W>(&self, dest: &mut W) -> fmt::Result where W: Write {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result where W: Write {
let dir_str = match *self {
Direction::Rtl => "rtl",
Direction::Ltr => "ltr",