forked from M-Labs/artiq
32 lines
633 B
Rust
32 lines
633 B
Rust
use core::ops::Deref;
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use core::fmt;
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use alloc::rc::Rc;
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pub struct Urc<T: ?Sized>(Rc<T>);
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impl<T> Urc<T> {
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pub fn new(value: T) -> Urc<T> { Urc(Rc::new(value)) }
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}
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unsafe impl<T: ?Sized> Send for Urc<T> {}
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unsafe impl<T: ?Sized> Sync for Urc<T> {}
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impl<T: ?Sized> Deref for Urc<T> {
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type Target = T;
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fn deref(&self) -> &Self::Target { self.0.deref() }
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}
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impl<T: ?Sized> Clone for Urc<T> {
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fn clone(&self) -> Urc<T> {
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Urc(self.0.clone())
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}
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}
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impl<T: ?Sized + fmt::Debug> fmt::Debug for Urc<T> {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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fmt::Debug::fmt(&**self, f)
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}
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}
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