28 lines
559 B
Rust
28 lines
559 B
Rust
use std::{
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cell::Cell,
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fmt::{Debug, Formatter},
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ops::{Deref, DerefMut},
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};
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#[derive(Default)]
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pub struct OpaqueCell<T>(Cell<T>);
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impl<T> Deref for OpaqueCell<T> {
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type Target = Cell<T>;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl<T> DerefMut for OpaqueCell<T> {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl<T> Debug for OpaqueCell<T> {
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fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
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write!(f, "Cell<{}> {{ ... }}", std::any::type_name::<T>())
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}
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}
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