1 files changed, 50 insertions, 0 deletions
diff --git a/vendor/zerovec/src/varzerovec/databake.rs b/vendor/zerovec/src/varzerovec/databake.rs
new file mode 100644
index 000000000..2c3d506b3
--- /dev/null
+++ b/vendor/zerovec/src/varzerovec/databake.rs
@@ -0,0 +1,50 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+use crate::{ule::VarULE, VarZeroSlice, VarZeroVec};
+use databake::*;
+
+impl<T: VarULE + ?Sized> Bake for VarZeroVec<'_, T> {
+    fn bake(&self, env: &CrateEnv) -> TokenStream {
+        env.insert("zerovec");
+        let bytes = self.as_bytes();
+        // Safe because self.as_bytes is a safe input
+        quote! { unsafe { ::zerovec::VarZeroVec::from_bytes_unchecked(&[#(#bytes),*]) } }
+    }
+}
+
+impl<T: VarULE + ?Sized> Bake for &VarZeroSlice<T> {
+    fn bake(&self, env: &CrateEnv) -> TokenStream {
+        env.insert("zerovec");
+        let bytes = self.as_bytes();
+        // Safe because self.as_bytes is a safe input
+        quote! { unsafe { ::zerovec::VarZeroSlice::from_bytes_unchecked(&[#(#bytes),*]) } }
+    }
+}
+
+#[test]
+fn test_baked_vec() {
+    test_bake!(
+        VarZeroVec<str>,
+        const: unsafe {
+            crate::VarZeroVec::from_bytes_unchecked(&[
+                2u8, 1u8, 0u8, 22u8, 0u8, 77u8, 1u8, 92u8, 17u8,
+            ])
+        },
+        zerovec
+    );
+}
+
+#[test]
+fn test_baked_slice() {
+    test_bake!(
+        &VarZeroSlice<str>,
+        const: unsafe {
+            crate::VarZeroSlice::from_bytes_unchecked(&[
+                2u8, 1u8, 0u8, 22u8, 0u8, 77u8, 1u8, 92u8, 17u8,
+            ])
+        },
+        zerovec
+    );
+}