syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"ty::Adt(adt_def,"}]}
source_snippet:                     ty::Adt(adt_def, args) => ExprKind::Adt(Box::new(AdtExpr {
context_before:                     // We return a completely different ExprKind here to account for this special case.
context_after:                         adt_def: *adt_def,