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#[derive(Debug)]
pub(crate) struct UnsafeCell<T>(std::cell::UnsafeCell<T>);
impl<T> UnsafeCell<T> {
pub(crate) const fn new(data: T) -> UnsafeCell<T> {
UnsafeCell(std::cell::UnsafeCell::new(data))
}
pub(crate) fn with<R>(&self, f: impl FnOnce(*const T) -> R) -> R {
f(self.0.get())
}
pub(crate) fn with_mut<R>(&self, f: impl FnOnce(*mut T) -> R) -> R {
f(self.0.get())
}
}