syntax_data: {"ast_node_type":"other","tokens":[{"end":77,"kind":"keyword","start":0,"text":"match"}]}
source_snippet:             match needs_drop_components_with_async(tcx, elem_ty, asyncness) {
context_before:         ty::Array(elem_ty, size) => {
context_after:                 Ok(v) if v.is_empty() => Ok(v),