Vendor dependencies for 0.3.0 release

vendor/skrifa/src/outline/glyf/hint/storage.rs

@@ -0,0 +1,29 @@
+//! Storage area.
+
+use super::{cow_slice::CowSlice, error::HintErrorKind};
+
+/// Backing store for the storage area.
+///
+/// This is just a wrapper for [`CowSlice`] that converts out of bounds
+/// accesses to appropriate errors.
+pub struct Storage<'a>(CowSlice<'a>);
+
+impl Storage<'_> {
+    pub fn get(&self, index: usize) -> Result<i32, HintErrorKind> {
+        self.0
+            .get(index)
+            .ok_or(HintErrorKind::InvalidStorageIndex(index))
+    }
+
+    pub fn set(&mut self, index: usize, value: i32) -> Result<(), HintErrorKind> {
+        self.0
+            .set(index, value)
+            .ok_or(HintErrorKind::InvalidStorageIndex(index))
+    }
+}
+
+impl<'a> From<CowSlice<'a>> for Storage<'a> {
+    fn from(value: CowSlice<'a>) -> Self {
+        Self(value)
+    }
+}