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use std::sync::atomic::AtomicUsize;
use std::sync::atomic::Ordering;
/// Cached size field used in generated code.
/// It is always equal to itself to simplify generated code.
/// (Generated code can use `#[derive(Eq)]`).
#[derive(Debug, Default)]
pub struct CachedSize {
size: AtomicUsize,
}
impl CachedSize {
/// Get cached size
pub fn get(&self) -> u32 {
self.size.load(Ordering::Relaxed) as u32
}
/// Set cached size
pub fn set(&self, size: u32) {
self.size.store(size as usize, Ordering::Relaxed)
}
}
impl Clone for CachedSize {
fn clone(&self) -> CachedSize {
CachedSize {
size: AtomicUsize::new(self.size.load(Ordering::Relaxed)),
}
}
}
impl PartialEq<CachedSize> for CachedSize {
fn eq(&self, _other: &CachedSize) -> bool {
true
}
}
impl Eq for CachedSize {}
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