use so_many_words::en::grammar; #[test] fn use1() { let _ = grammar::WordUsage::SINGULAR; } #[test] fn use2() { assert_eq!( grammar::WordUsage::SINGULAR.contains(grammar::WordUsage::SINGULAR), true ); } #[test] fn use3() { assert_eq!( grammar::WordUsage::SINGULAR.contains(grammar::WordUsage::PLURAL), false ); }