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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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9
components/style/values/computed/position.rs
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@ -7,8 +7,8 @@
//!
//! [position]: https://drafts.csswg.org/css-backgrounds-3/#position
use std::fmt;
use style_traits::ToCss;
use std::fmt::{self, Write};
use style_traits::{CssWriter, ToCss};
use values::computed::{LengthOrPercentage, Percentage};
use values::generics::position::Position as GenericPosition;
pub use values::specified::position::{GridAutoFlow, GridTemplateAreas};
@ -40,7 +40,10 @@ impl Position {
}
impl ToCss for Position {
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.horizontal.to_css(dest)?;
dest.write_str(" ")?;
self.vertical.to_css(dest)