{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"self.block_scopes.iter().map(move"}]}
        self.block_scopes.iter().map(move |&block| (block, block_def_map(db, block)))
    ) -> impl Iterator<Item = (BlockId, &'a DefMap)> + 'a {
    }