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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/specified/align.rs
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@ -11,8 +11,8 @@ use gecko_bindings::structs;
use parser::{Parse, ParserContext};
use selectors::parser::SelectorParseErrorKind;
#[allow(unused_imports)] use std::ascii::AsciiExt;
use std::fmt;
use style_traits::{ToCss, ParseError, StyleParseErrorKind};
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError, StyleParseErrorKind, ToCss};
bitflags! {
/// Constants shared by multiple CSS Box Alignment properties
@ -71,7 +71,10 @@ bitflags! {
}
impl ToCss for AlignFlags {
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 s = match *self & !AlignFlags::FLAG_BITS {
AlignFlags::AUTO => "auto",
AlignFlags::NORMAL => "normal",
@ -209,7 +212,10 @@ impl AlignJustifyContent {
}
impl ToCss for AlignJustifyContent {
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,
{
self.primary().to_css(dest)?;
match self.fallback() {
AlignFlags::AUTO => {}