mitem: &MetaItem,
item: &Annotatable,
push: &mut dyn FnMut(Annotatable),
+ is_const: bool,
) {
let trait_def = TraitDef {
span,
supports_unions: true,
methods: Vec::new(),
associated_types: Vec::new(),
+ is_const,
};
trait_def.expand(cx, mitem, item, push);