Store tokens instead of text in insert

backend/reconcile/src/operation_transformation/merge_context.rs

@@ -1,15 +1,33 @@
 use crate::operation_transformation::Operation;
 
-#[derive(Debug, Clone, Default)]
-pub struct MergeContext {
-    pub last_delete: Option<Operation>,
+#[derive(Debug, Clone)]
+pub struct MergeContext<T>
+where
+    T: PartialEq + Clone,
+{
+    pub last_delete: Option<Operation<T>>,
     pub shift: i64,
 }
 
-impl MergeContext {
+impl<T> Default for MergeContext<T>
+where
+    T: PartialEq + Clone,
+{
+    fn default() -> Self {
+        MergeContext {
+            last_delete: None,
+            shift: 0,
+        }
+    }
+}
+
+impl<T> MergeContext<T>
+where
+    T: PartialEq + Clone,
+{
     /// Replace the last delete operation (if there was one) with a new one while
     /// applying it to the shift.
-    pub fn replace_delete(&mut self, delete: Option<Operation>) {
+    pub fn replace_delete(&mut self, delete: Option<Operation<T>>) {
         if let Some(produced_last_delete) = self.last_delete.take() {
             self.shift -= produced_last_delete.len() as i64;
         }
@@ -19,7 +37,7 @@ impl MergeContext {
 
     /// Remove the last delete operation (if there was one) in case it is behind the
     /// threshold operation.
-    pub fn consume_delete_if_behind_operation(&mut self, threshold_operation: &Operation) {
+    pub fn consume_delete_if_behind_operation(&mut self, threshold_operation: &Operation<T>) {
         match self.last_delete.as_ref() {
             Some(last_delete)
                 if threshold_operation.start_index() as i64 + self.shift