pub fn impl_alias_semantic_data_helper<'db>(
db: &'db dyn Database,
impl_alias_ast: &ItemImplAlias<'db>,
lookup_item_id: LookupItemId<'db>,
generic_params_data: GenericParamsData<'db>,
) -> Maybe<ImplAliasData<'db>>Expand description
A helper function to compute the semantic data of an impl-alias item.