Method insert

src/structures/metadata_index.rs:212–215

(&mut self, key: u128, value: MetadataIndexItem)

    }

    pub fn insert(&mut self, key: u128, value: MetadataIndexItem) {
        // self.tree.insert(key, value).expect("Failed to insert");
        self.tree.insert(key, value).expect("Failed to insert");
    }

    pub fn batch_insert(&mut self, items: Vec<(u128, MetadataIndexItem)>) {
        self.tree