syntax_data: {"ast_node_type":"other","tokens":[{"end":94,"kind":"keyword","start":0,"text":"debug!(\"print-type-size"}]}
source_snippet:             debug!("print-type-size `{:#?}` variant {}", layout, adt_def.variant(index).name);
context_before:         Variants::Single { index } => {
context_after:             let variant_def = &adt_def.variant(index);