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style: Add ToShmem impl for Atom.

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Differential Revision: https://phabricator.services.mozilla.com/D17192
This commit is contained in:
Cameron McCormack 2019-03-30 00:16:15 +00:00 • committed by Emilio Cobos Álvarez
parent 48718b876c
commit 8c007ad999
1 changed files with 11 additions and 1 deletions
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12
components/style/gecko_string_cache/mod.rs
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@ -25,9 +25,11 @@ use std::char::{self, DecodeUtf16};
use std::fmt::{self, Write}; use std::fmt::{self, Write};
use std::hash::{Hash, Hasher}; use std::hash::{Hash, Hasher};
use std::iter::Cloned; use std::iter::Cloned;
use std::mem::{self, ManuallyDrop};
use std::ops::Deref; use std::ops::Deref;
use std::{mem, slice, str}; use std::{slice, str};
use style_traits::SpecifiedValueInfo; use style_traits::SpecifiedValueInfo;
use to_shmem::{SharedMemoryBuilder, ToShmem};
#[macro_use] #[macro_use]
#[allow(improper_ctypes, non_camel_case_types, missing_docs)] #[allow(improper_ctypes, non_camel_case_types, missing_docs)]
@ -122,6 +124,14 @@ impl Borrow<WeakAtom> for Atom {
} }
} }
impl ToShmem for Atom {
fn to_shmem(&self, _builder: &mut SharedMemoryBuilder) -> ManuallyDrop<Self> {
assert!(self.is_static(), "ToShmem failed for Atom: must be a static atom: {}", self);
ManuallyDrop::new(Atom(self.0))
}
}
impl Eq for WeakAtom {} impl Eq for WeakAtom {}
impl PartialEq for WeakAtom { impl PartialEq for WeakAtom {
#[inline] #[inline]