syntax_data: {"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":")"}]}
source_snippet: ) -> Result<SmallVec<[Ty<'tcx>; 2]>, AlwaysRequiresDrop> {
context_before:     ty: Ty<'tcx>,
context_after:     needs_drop_components_with_async(tcx, ty, Asyncness::No)