syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"adt_def.variants().iter().all(|v|"}]}
source_snippet:                                 adt_def.variants().iter().all(|v| v.fields.is_empty())
context_before:                             ty::AdtKind::Enum => {
context_after:                             }