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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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12
components/style_traits/cursor.rs
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@ -4,7 +4,7 @@
//! A list of common mouse cursors per CSS3-UI § 8.1.1.
use super::ToCss;
use super::{CssWriter, ToCss};
macro_rules! define_cursor {
(
@ -46,10 +46,14 @@ macro_rules! define_cursor {
}
impl ToCss for CursorKind {
fn to_css<W>(&self, dest: &mut W) -> ::std::fmt::Result where W: ::std::fmt::Write {
fn to_css<W>(&self, dest: &mut CssWriter<W>) -> ::std::fmt::Result where W: ::std::fmt::Write {
match *self {
$( CursorKind::$c_variant => dest.write_str($c_css), )+
$( #[cfg(feature = "gecko")] CursorKind::$g_variant => dest.write_str($g_css), )+
$(CursorKind::$c_variant => {
::std::fmt::Write::write_str(dest, $c_css)
})+
$(#[cfg(feature = "gecko")] CursorKind::$g_variant => {
::std::fmt::Write::write_str(dest, $g_css)
})+
}
}
}