v0.29.0

src/cache/policy/response.rs

@@ -3,6 +3,14 @@ impl Plan {
         self.ttl.saturating_sub(self.initial_age.as_secs())
     }
 
+    pub fn with_vary(mut self, name: &str) -> Self {
+        if !self.vary.iter().any(|value| value.eq_ignore_ascii_case(name)) {
+            self.vary.push(name.to_ascii_lowercase());
+            self.vary.sort();
+        }
+        self
+    }
+
     pub fn without_vary(mut self, name: &str) -> Self {
         self.vary.retain(|value| !value.eq_ignore_ascii_case(name));
         self