1 #[derive(Debug)] 2 pub(crate) struct UnsafeCell<T>(std::cell::UnsafeCell<T>); 3 4 impl<T> UnsafeCell<T> { new(data: T) -> UnsafeCell<T>5 pub(crate) const fn new(data: T) -> UnsafeCell<T> { 6 UnsafeCell(std::cell::UnsafeCell::new(data)) 7 } 8 with<R>(&self, f: impl FnOnce(*const T) -> R) -> R9 pub(crate) fn with<R>(&self, f: impl FnOnce(*const T) -> R) -> R { 10 f(self.0.get()) 11 } 12 with_mut<R>(&self, f: impl FnOnce(*mut T) -> R) -> R13 pub(crate) fn with_mut<R>(&self, f: impl FnOnce(*mut T) -> R) -> R { 14 f(self.0.get()) 15 } 16 } 17