- ExprKind::Closure(_, _, _, ref decl, ref body, _decl_span) => {
- visitor.visit_fn(FnKind::Closure(decl, body), expression.span, expression.id)
+ ExprKind::Closure(ref binder, _, _, _, ref decl, ref body, _decl_span) => {
+ visitor.visit_fn(FnKind::Closure(binder, decl, body), expression.span, expression.id)