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Add a match_ignore_ascii_case! macro that does not allocate.

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It should replace `match foo.to_ascii_lower().as_slice() { ...}`

@Manishearth I changed map.get to map.find in the lint to work around an ICE:

    task 'rustc' panicked at 'couldn't find node id 0 in the AST map'

Does this look OK?
This commit is contained in:
Simon Sapin 2014-12-21 11:17:53 +00:00
parent 540d218885
commit 2e35d4e987
6 changed files with 34 additions and 12 deletions
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4
components/util/cursor.rs
View file

@ -19,8 +19,8 @@ macro_rules! define_cursor {
impl Cursor {
pub fn from_css_keyword(keyword: &str) -> Result<Cursor, ()> {
match keyword.to_ascii_lower().as_slice() {
$( concat!($css) => Ok(Cursor::$variant), )+
match_ignore_ascii_case! { keyword:
$( concat!($css) => Ok(Cursor::$variant) ),+
_ => Err(())
}
}