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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/generics/basic_shape.rs
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@ -5,8 +5,8 @@
//! CSS handling for the [`basic-shape`](https://drafts.csswg.org/css-shapes/#typedef-basic-shape)
//! types that are generic over their `ToCss` implementations.
use std::fmt;
use style_traits::ToCss;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ToCss};
use values::animated::{Animate, Procedure, ToAnimatedZero};
use values::distance::{ComputeSquaredDistance, SquaredDistance};
use values::generics::border::BorderRadius;
@ -152,7 +152,10 @@ impl<B, T, U> ToAnimatedZero for ShapeSource<B, T, U> {
impl<L> ToCss for InsetRect<L>
where L: ToCss + PartialEq
{
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,
{
dest.write_str("inset(")?;
self.rect.to_css(dest)?;
if let Some(ref radius) = self.round {
@ -210,7 +213,10 @@ where
}
impl<L: ToCss> ToCss for Polygon<L> {
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,
{
dest.write_str("polygon(")?;
if self.fill != FillRule::default() {
self.fill.to_css(dest)?;