std: Remove unused variables

Author: brson

src/libstd/rope.rs

@@ -1290,7 +1290,6 @@ mod tests {
         let string_len  = str::len(*sample);
         let rope_iter   = iterator::char::start(r);
         let mut equal   = true;
-        let mut pos     = 0u;
         while equal {
             alt(node::char_iterator::next(rope_iter)) {
               option::none {
@@ -1303,7 +1302,6 @@ mod tests {
                 if ch != c { equal = false; break; }
               }
             }
-            pos += 1u;
         }
 
         assert equal;

src/libstd/timer.rs

@@ -241,7 +241,7 @@ mod test {
                 delayed_send(hl_loop, 1000u, test_ch, expected);
             };
 
-            let actual = alt recv_timeout(hl_loop, 1u, test_po) {
+            alt recv_timeout(hl_loop, 1u, test_po) {
               none { successes += 1; }
               _ { failures += 1; }
             };

src/libstd/uv_global_loop.rs

@@ -150,11 +150,11 @@ mod test {
                        exit_ch_ptr));
     }
     crust fn simple_timer_cb(timer_ptr: *ll::uv_timer_t,
-                             status: libc::c_int) unsafe {
+                             _status: libc::c_int) unsafe {
         log(debug, "in simple timer cb");
         ll::timer_stop(timer_ptr);
         let hl_loop = get_gl();
-        hl::interact(hl_loop) {|loop_ptr|
+        hl::interact(hl_loop) {|_loop_ptr|
             log(debug, "closing timer");
             ll::close(timer_ptr, simple_timer_close_cb);
             log(debug, "about to deref exit_ch_ptr");

src/libstd/uv_hl.rs

@@ -236,8 +236,6 @@ mod test {
     crust fn async_handle_cb(handle: *ll::uv_async_t, status: libc::c_int)
         unsafe {
         log(debug, #fmt("async_handle_cb handle %? status %?",handle,status));
-        let hl_loop = (*(ll::get_data_for_uv_handle(handle)
-                        as *ah_data)).hl_loop;
         ll::close(handle, async_close_cb);
     }
     type ah_data = {