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Derive ToCss for MediaList

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This uncovered the fancy snowflake `use fmt::Write` in the impl of ToCss
for NonTSPseudoClass.
This commit is contained in:
Anthony Ramine 2018-03-04 23:25:40 +01:00
parent fb8b6fc0a5
commit 31036d6510
3 changed files with 3 additions and 39 deletions
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13
components/style/media_queries.rs
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@ -13,7 +13,6 @@ use cssparser::{Token, ParserInput};
use error_reporting::{ContextualParseError, ParseErrorReporter};
use parser::{ParserContext, ParserErrorContext};
use selectors::parser::SelectorParseErrorKind;
use serialize_comma_separated_list;
use std::fmt::{self, Write};
use str::string_as_ascii_lowercase;
use style_traits::{CssWriter, ToCss, ParseError, StyleParseErrorKind};
@ -25,22 +24,14 @@ pub use servo::media_queries::{Device, Expression};
pub use gecko::media_queries::{Device, Expression};
/// A type that encapsulates a media query list.
#[derive(Clone, Debug)]
#[cfg_attr(feature = "servo", derive(MallocSizeOf))]
#[css(comma, iterable)]
#[derive(Clone, Debug, ToCss)]
pub struct MediaList {
/// The list of media queries.
pub media_queries: Vec<MediaQuery>,
}
impl ToCss for MediaList {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> fmt::Result
where
W: Write,
{
serialize_comma_separated_list(dest, &self.media_queries)
}
}
impl MediaList {
/// Create an empty MediaList.
pub fn empty() -> Self {