btree.rs

/*
The errors below are fixed by adding additional curly braces to the macro body.
This is a bug in the macro system.

btree.rs:508:20: 508:24 error: unresolved name `list`. Did you mean `t`?
btree.rs:508             assert!(list.len() >= values.len());
                                 ^~~~
<core-macros>:52:4: 69:5 note: in expansion of assert!
btree.rs:508:12: 508:48 note: expansion site
btree.rs:505:4: 525:5 note: in expansion of check_values!
btree.rs:575:8: 575:42 note: expansion site
btree.rs:508:34: 508:40 error: unresolved name `values`.
btree.rs:508             assert!(list.len() >= values.len());
                                               ^~~~~~
<core-macros>:52:4: 69:5 note: in expansion of assert!
btree.rs:508:12: 508:48 note: expansion site
btree.rs:505:4: 525:5 note: in expansion of check_values!
btree.rs:575:8: 575:42 note: expansion site
*/

    macro_rules! check_values (
        ($list:expr, $values:expr) => { {
        //fn check_values<T: Eq>(list: &[Option<T>], values: &[Option<T>]) {
            assert!(list.len() >= values.len());

            let mut i = 0;
            let len = values.len();

            while i < len {
                assert_eq!(&list[i], &values[i]);
                i += 1;
            }

            let len = list.len();

            while i < len {
                assert_eq!(&list[i], &None);
                i += 1;
            }
        } }
    )

    macro_rules! check_used (
        ($list:expr, $used:expr) => { {
        //fn check_used<T>(list: &[Option<T>], used: &[bool]) {
            assert!(list.len() >= used.len());

            let mut i = 0;
            let len = used.len();

            while i < len {
                if list[i].is_some() != used[i] {
                    fail!(fmt!("list[%u] = %? is not in use as used[%u] = %?",
                            i, list[i], i, used[i]));
                }

                i += 1;
            }

            let len = list.len();

            while i < len {
                if list[i].is_some() {
                    fail!(fmt!("list[%u] = %? is used but it should be unused",
                               i, list[i]));
                }

                i += 1;
            }
        } }
    )