From f94028b8df80239b0c69dce4cfbdc409c2d6d5e7 Mon Sep 17 00:00:00 2001
From: whitequark <whitequark@whitequark.org>
Date: Sat, 4 Feb 2017 16:23:18 +0000
Subject: [PATCH] Fix c39394b.

---
 artiq/test/libartiq_support/lib.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/artiq/test/libartiq_support/lib.rs b/artiq/test/libartiq_support/lib.rs
index 7dba1b7b8..8fc08a0ac 100644
--- a/artiq/test/libartiq_support/lib.rs
+++ b/artiq/test/libartiq_support/lib.rs
@@ -21,6 +21,12 @@ mod cslice {
         phantom: PhantomData<&'a ()>
     }
 
+    impl<'a, T> CSlice<'a, T> {
+        pub fn len(&self) -> usize {
+            self.len as usize
+        }
+    }
+
     impl<'a, T> AsRef<[T]> for CSlice<'a, T> {
         fn as_ref(&self) -> &[T] {
             unsafe {