1 files changed, 0 insertions, 37 deletions
diff --git a/src/lib/UFind.rs b/src/lib/UFind.rs
deleted file mode 100644
index 0bb06d7c..00000000
--- a/src/lib/UFind.rs
+++ /dev/null
@@ -1,37 +0,0 @@
-import Option.none;
-import Option.some;
-
-// A very naive implementation of union-find with unsigned integer nodes.
-
-type node = Option.t[uint];
-type ufind = rec(mutable vec[mutable node] nodes);
-
-fn make() -> ufind {
-    let vec[mutable node] v = vec(mutable none[uint]);
-    Vec.pop(v);  // FIXME: botch
-    ret rec(mutable nodes=v);
-}
-
-fn make_set(&ufind ufnd) -> uint {
-    auto idx = Vec.len(ufnd.nodes);
-    ufnd.nodes += vec(mutable none[uint]);
-    ret idx;
-}
-
-fn find(&ufind ufnd, uint n) -> uint {
-    alt (ufnd.nodes.(n)) {
-    case (none[uint]) { ret n; }
-    case (some[uint](?m)) {
-        // TODO: "be"
-        ret find(ufnd, m);
-    }
-    }
-}
-
-fn union(&ufind ufnd, uint m, uint n) {
-    auto m_root = find(ufnd, m);
-    auto n_root = find(ufnd, n);
-    auto ptr = some[uint](n_root);
-    ufnd.nodes.(m_root) = ptr;
-}
-