fn update_index_when_remove(&self, key: &Key, old_value: &Value) {
        // remove from indexes
        for index in self.indexes.iter() {
            index.on_remove(&key, &old_value);
        }
    }
/// Update a indexes when removing from the map.
Update a indexes when removing from the map.
Update a indexes when removing from the map .
fn update_index_when_remove(&self, key: &Key, old_value: &Value) {
        // remove from indexes
        for index in self.indexes.iter() {
            index.on_remove(&key, &old_value);
        }
    }
fn update_index_when_remove ( & self , key : & Key , old_value : & Value ) { // remove from indexes for index in self . indexes . iter ( ) { index . on_remove ( & key , & old_value ) ; } }
Update a indexes when removing from the map.
Update a indexes when removing from the map .
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