syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"tcx.arena.alloc_from_iter(own_existential_vtable_entries_iter(tcx,"}]}
source_snippet:     tcx.arena.alloc_from_iter(own_existential_vtable_entries_iter(tcx, trait_def_id))
context_before: fn own_existential_vtable_entries(tcx: TyCtxt<'_>, trait_def_id: DefId) -> &[DefId] {
context_after: }