syntax_data: {"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Some(drops) = breakable_scope.continue_drops {
context_before:             self.build_exit_tree(breakable_scope.break_drops, region_scope, span, None);
context_after:             self.build_exit_tree(drops, region_scope, span, loop_block);