1 files changed, 18 insertions, 0 deletions
diff --git a/third_party/rust/fluent-bundle/src/memoizer.rs b/third_party/rust/fluent-bundle/src/memoizer.rs
new file mode 100644
index 0000000000..c738a857b2
--- /dev/null
+++ b/third_party/rust/fluent-bundle/src/memoizer.rs
@@ -0,0 +1,18 @@
+use crate::types::FluentType;
+use intl_memoizer::Memoizable;
+use unic_langid::LanguageIdentifier;
+
+pub trait MemoizerKind: 'static {
+    fn new(lang: LanguageIdentifier) -> Self
+    where
+        Self: Sized;
+
+    fn with_try_get_threadsafe<I, R, U>(&self, args: I::Args, cb: U) -> Result<R, I::Error>
+    where
+        Self: Sized,
+        I: Memoizable + Send + Sync + 'static,
+        I::Args: Send + Sync + 'static,
+        U: FnOnce(&I) -> R;
+
+    fn stringify_value(&self, value: &dyn FluentType) -> std::borrow::Cow<'static, str>;
+}