syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"alloc.expect_ty().ty_adt_def().is_some_and(|alloc_adt|"}]}
source_snippet:                 alloc.expect_ty().ty_adt_def().is_some_and(|alloc_adt| {
context_before:                 };
context_after:                     tcx.is_lang_item(alloc_adt.did(), LangItem::GlobalAlloc)