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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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10
components/style/values/specified/svg.rs
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@ -6,8 +6,9 @@
use cssparser::Parser;
use parser::{Parse, ParserContext};
use std::fmt;
use style_traits::{CommaWithSpace, ParseError, Separator, StyleParseErrorKind, ToCss};
use std::fmt::{self, Write};
use style_traits::{CommaWithSpace, CssWriter, ParseError, Separator};
use style_traits::{StyleParseErrorKind, ToCss};
use values::CustomIdent;
use values::generics::svg as generic;
use values::specified::{LengthOrPercentage, NonNegativeLengthOrPercentage, NonNegativeNumber};
@ -237,7 +238,10 @@ impl Parse for SVGPaintOrder {
}
impl ToCss for SVGPaintOrder {
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.0 == 0 {
return dest.write_str("normal")
}