syntax_data: {"ast_node_type":"variable","tokens":[{"end":42,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:         let has_async_drops = is_coroutine
context_before:         let scope = self.scopes.scopes.last().expect("leave_top_scope called with no scopes");
context_after:             && scope.drops.iter().any(|v| v.kind == DropKind::Value && self.is_async_drop(v.local));