// @has - '//code' 'impl<T> Send for Foo<T> where T: Send'
// @has - '//code' 'impl<T> Sync for Foo<T> where T: Sync'
// @count - '//*[@id="implementations-list"]/*[@class="impl"]' 0
// @has - '//code' 'impl<T> Send for Foo<T> where T: Send'
// @has - '//code' 'impl<T> Sync for Foo<T> where T: Sync'
// @count - '//*[@id="implementations-list"]/*[@class="impl"]' 0