syntax_data: {"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let drops = if destination.is_some() {
context_before:         let scope_index = self.scopes.scope_index(region_scope, span);
context_after:             &mut self.scopes.breakable_scopes[break_index].break_drops