Function clear

cranelift/codegen/src/ir/constant.rs:301–308

()

    #[test]
    fn clear() {
        let mut sut = ConstantPool::new();
        sut.insert(vec![1, 2, 3].into());
        assert_eq!(sut.len(), 1);

        sut.clear();
        assert_eq!(sut.len(), 0);
    }

    #[test]
    fn iteration_order() {