chore: add vendor directory

1 files changed, 42 insertions, 0 deletions

diff --git a/vendor/beef/src/wide.rs b/vendor/beef/src/wide.rs
new file mode 100644
index 00000000..466e594c
--- /dev/null
+++ b/vendor/beef/src/wide.rs
@@ -0,0 +1,42 @@
+use crate::traits::Capacity;
+use core::num::NonZeroUsize;
+
+/// Compact three word `Cow` that puts the ownership tag in capacity.
+/// This is a type alias, for documentation see [`beef::generic::Cow`](./generic/struct.Cow.html).
+pub type Cow<'a, T> = crate::generic::Cow<'a, T, Wide>;
+
+pub(crate) mod internal {
+    #[derive(Clone, Copy, PartialEq, Eq)]
+    pub struct Wide;
+}
+use internal::Wide;
+
+impl Capacity for Wide {
+    type Field = Option<NonZeroUsize>;
+    type NonZero = NonZeroUsize;
+
+    #[inline]
+    fn len(fat: usize) -> usize {
+        fat
+    }
+
+    #[inline]
+    fn empty(len: usize) -> (usize, Self::Field) {
+        (len, None)
+    }
+
+    #[inline]
+    fn store(len: usize, capacity: usize) -> (usize, Self::Field) {
+        (len, NonZeroUsize::new(capacity))
+    }
+
+    #[inline]
+    fn unpack(fat: usize, capacity: NonZeroUsize) -> (usize, usize) {
+        (fat, capacity.get())
+    }
+
+    #[inline]
+    fn maybe(_: usize, capacity: Option<NonZeroUsize>) -> Option<NonZeroUsize> {
+        capacity
+    }
+}