pub fn walk_flat_map_generic_param<V: MutVisitor>(
vis: &mut V,
value: GenericParam,
) -> SmallVec<[GenericParam; 1]>
pub fn walk_flat_map_generic_param<V: MutVisitor>(
vis: &mut V,
value: GenericParam,
) -> SmallVec<[GenericParam; 1]>