macro_rules! make_value_visitor {
($visitor_trait:ident, $value_trait:ident, $($mutability:ident)?) => {
- // How to traverse a value and what to do when we are at the leaves.
+ /// How to traverse a value and what to do when we are at the leaves.
pub trait $visitor_trait<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>>: Sized {
type V: $value_trait<'mir, 'tcx, M>;