syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"block.and(place_builder.to_place(self))"}]}
source_snippet:         block.and(place_builder.to_place(self))
context_before:         let place_builder = unpack!(block = self.as_place_builder(block, expr_id));
context_after:     }