diff --git a/src/protocol/eval/value.rs b/src/protocol/eval/value.rs
index d8bf773b7bc74426a37fa54ad573c4c0d6d8bd00..c4c5060485d669df5943ff6af48090d89b0f604e 100644
--- a/src/protocol/eval/value.rs
+++ b/src/protocol/eval/value.rs
@@ -183,6 +183,7 @@ impl ValueGroup {
             regions: Vec::new(),
         }
     }
+
     pub(crate) fn from_store(store: &Store, values: &[Value]) -> Self {
         let mut group = ValueGroup{
             values: Vec::with_capacity(values.len()),
@@ -197,6 +198,15 @@ impl ValueGroup {
         group
     }
 
+    /// Creates a clone of the value group, but leaves the memory inside of the
+    /// ValueGroup vectors allocated.
+    pub(crate) fn take(&mut self) -> ValueGroup {
+        let cloned = self.clone();
+        self.values.clear();
+        self.regions.clear();
+        return cloned;
+    }
+
     /// Transfers a provided value from a store into a local value with its
     /// heap allocations (if any) stored in the ValueGroup. Calling this
     /// function will not store the returned value in the `values` member.