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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/specified/calc.rs
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@ -9,8 +9,8 @@
use cssparser::{Parser, Token, NumberOrPercentage, AngleOrNumber};
use parser::ParserContext;
#[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};
use style_traits::values::specified::AllowedNumericType;
use values::{CSSInteger, CSSFloat};
use values::computed;
@ -89,7 +89,10 @@ impl ToCss for CalcLengthOrPercentage {
///
/// FIXME(emilio): Should this simplify away zeros?
#[allow(unused_assignments)]
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,
{
use num_traits::Zero;
let mut first_value = true;