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#![no_std] pub mod alloc; pub mod boxed; pub mod raw_vec; pub use alloc::*; pub use boxed::*; pub use raw_vec::*; use core::ptr::NonNull; pub trait NonNullCast { fn cast_<U>(self) -> NonNull<U>; fn as_opaque_(self) -> NonNull<Opaque>; } impl<T: ?Sized> NonNullCast for NonNull<T> { fn cast_<U>(self) -> NonNull<U> { unsafe { NonNull::new_unchecked(self.as_ptr() as *mut U) } } fn as_opaque_(self) -> NonNull<Opaque> { self.cast_() } }