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path: root/vendor/miette/src/eyreish/ptr.rs
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-rw-r--r--vendor/miette/src/eyreish/ptr.rs188
1 files changed, 0 insertions, 188 deletions
diff --git a/vendor/miette/src/eyreish/ptr.rs b/vendor/miette/src/eyreish/ptr.rs
deleted file mode 100644
index fa954d1..0000000
--- a/vendor/miette/src/eyreish/ptr.rs
+++ /dev/null
@@ -1,188 +0,0 @@
-use std::{marker::PhantomData, ptr::NonNull};
-
-#[repr(transparent)]
-/// A raw pointer that owns its pointee
-pub(crate) struct Own<T>
-where
- T: ?Sized,
-{
- pub(crate) ptr: NonNull<T>,
-}
-
-unsafe impl<T> Send for Own<T> where T: ?Sized {}
-unsafe impl<T> Sync for Own<T> where T: ?Sized {}
-
-impl<T> Copy for Own<T> where T: ?Sized {}
-
-impl<T> Clone for Own<T>
-where
- T: ?Sized,
-{
- fn clone(&self) -> Self {
- *self
- }
-}
-
-impl<T> Own<T>
-where
- T: ?Sized,
-{
- pub(crate) fn new(ptr: Box<T>) -> Self {
- Own {
- ptr: unsafe { NonNull::new_unchecked(Box::into_raw(ptr)) },
- }
- }
-
- pub(crate) fn cast<U: CastTo>(self) -> Own<U::Target> {
- Own {
- ptr: self.ptr.cast(),
- }
- }
-
- pub(crate) unsafe fn boxed(self) -> Box<T> {
- Box::from_raw(self.ptr.as_ptr())
- }
-
- pub(crate) const fn by_ref<'a>(&self) -> Ref<'a, T> {
- Ref {
- ptr: self.ptr,
- lifetime: PhantomData,
- }
- }
-
- pub(crate) fn by_mut<'a>(self) -> Mut<'a, T> {
- Mut {
- ptr: self.ptr,
- lifetime: PhantomData,
- }
- }
-}
-
-#[allow(explicit_outlives_requirements)]
-#[repr(transparent)]
-/// A raw pointer that represents a shared borrow of its pointee
-pub(crate) struct Ref<'a, T>
-where
- T: ?Sized,
-{
- pub(crate) ptr: NonNull<T>,
- lifetime: PhantomData<&'a T>,
-}
-
-impl<'a, T> Copy for Ref<'a, T> where T: ?Sized {}
-
-impl<'a, T> Clone for Ref<'a, T>
-where
- T: ?Sized,
-{
- fn clone(&self) -> Self {
- *self
- }
-}
-
-impl<'a, T> Ref<'a, T>
-where
- T: ?Sized,
-{
- pub(crate) fn new(ptr: &'a T) -> Self {
- Ref {
- ptr: NonNull::from(ptr),
- lifetime: PhantomData,
- }
- }
-
- pub(crate) const fn from_raw(ptr: NonNull<T>) -> Self {
- Ref {
- ptr,
- lifetime: PhantomData,
- }
- }
-
- pub(crate) fn cast<U: CastTo>(self) -> Ref<'a, U::Target> {
- Ref {
- ptr: self.ptr.cast(),
- lifetime: PhantomData,
- }
- }
-
- pub(crate) fn by_mut(self) -> Mut<'a, T> {
- Mut {
- ptr: self.ptr,
- lifetime: PhantomData,
- }
- }
-
- pub(crate) const fn as_ptr(self) -> *const T {
- self.ptr.as_ptr() as *const T
- }
-
- pub(crate) unsafe fn deref(self) -> &'a T {
- &*self.ptr.as_ptr()
- }
-}
-
-#[allow(explicit_outlives_requirements)]
-#[repr(transparent)]
-/// A raw pointer that represents a unique borrow of its pointee
-pub(crate) struct Mut<'a, T>
-where
- T: ?Sized,
-{
- pub(crate) ptr: NonNull<T>,
- lifetime: PhantomData<&'a mut T>,
-}
-
-impl<'a, T> Copy for Mut<'a, T> where T: ?Sized {}
-
-impl<'a, T> Clone for Mut<'a, T>
-where
- T: ?Sized,
-{
- fn clone(&self) -> Self {
- *self
- }
-}
-
-impl<'a, T> Mut<'a, T>
-where
- T: ?Sized,
-{
- pub(crate) fn cast<U: CastTo>(self) -> Mut<'a, U::Target> {
- Mut {
- ptr: self.ptr.cast(),
- lifetime: PhantomData,
- }
- }
-
- pub(crate) const fn by_ref(self) -> Ref<'a, T> {
- Ref {
- ptr: self.ptr,
- lifetime: PhantomData,
- }
- }
-
- pub(crate) fn extend<'b>(self) -> Mut<'b, T> {
- Mut {
- ptr: self.ptr,
- lifetime: PhantomData,
- }
- }
-
- pub(crate) unsafe fn deref_mut(self) -> &'a mut T {
- &mut *self.ptr.as_ptr()
- }
-}
-
-impl<'a, T> Mut<'a, T> {
- pub(crate) unsafe fn read(self) -> T {
- self.ptr.as_ptr().read()
- }
-}
-
-pub(crate) trait CastTo {
- type Target;
-}
-
-impl<T> CastTo for T {
- type Target = T;
-}