syntax_data: {"ast_node_type":"variable","tokens":[{"end":86,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if let Some(region_scope) = self.region_scope_tree.var_scope(var.0.local_id) {
context_before:         let local_id = self.var_local_id(var, for_guard);
context_after:             self.schedule_drop(span, region_scope, local_id, DropKind::Value);