Change ToCss to take a CssWriter<W>

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

View file

@ -7,8 +7,8 @@
use cssparser::{Parser, Token};
use parser::{ParserContext, Parse};
#[allow(unused_imports)] use std::ascii::AsciiExt;
use std::fmt;
use style_traits::{ToCss, ParseError};
use std::fmt::{self, Write};
use style_traits::{CssWriter, ParseError, ToCss};
use values::CSSFloat;
use values::computed::{Context, ToComputedValue};
use values::computed::angle::Angle as ComputedAngle;
@ -27,7 +27,10 @@ pub struct Angle {
}
impl ToCss for Angle {
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 self.was_calc {
dest.write_str("calc(")?;
}