Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/vendor/arrayvec-0.5.2/src/maybe_uninit.rs b/vendor/arrayvec-0.5.2/src/maybe_uninit.rs
new file mode 100644
index 000000000..e009abfc8
--- /dev/null
+++ b/vendor/arrayvec-0.5.2/src/maybe_uninit.rs
@@ -0,0 +1,44 @@
+
+
+use crate::array::Array;
+use std::mem::MaybeUninit as StdMaybeUninit;
+
+#[derive(Copy)]
+pub struct MaybeUninit<T> {
+    inner: StdMaybeUninit<T>,
+}
+
+impl<T> Clone for MaybeUninit<T>
+    where T: Copy
+{
+    fn clone(&self) -> Self { *self }
+}
+
+impl<T> MaybeUninit<T> {
+    /// Create a new MaybeUninit with uninitialized interior
+    pub const unsafe fn uninitialized() -> Self {
+        MaybeUninit { inner: StdMaybeUninit::uninit() }
+    }
+
+    /// Create a new MaybeUninit from the value `v`.
+    pub fn from(v: T) -> Self {
+        MaybeUninit { inner: StdMaybeUninit::new(v) }
+    }
+
+    // Raw pointer casts written so that we don't reference or access the
+    // uninitialized interior value
+
+    /// Return a raw pointer to the start of the interior array
+    pub fn ptr(&self) -> *const T::Item
+        where T: Array
+    {
+        self.inner.as_ptr() as *const T::Item
+    }
+
+    /// Return a mut raw pointer to the start of the interior array
+    pub fn ptr_mut(&mut self) -> *mut T::Item
+        where T: Array
+    {
+        self.inner.as_mut_ptr() as *mut T::Item
+    }
+}