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-rw-r--r--components/range/lib.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/components/range/lib.rs b/components/range/lib.rs
index 1d006370149..b598f638d09 100644
--- a/components/range/lib.rs
+++ b/components/range/lib.rs
@@ -10,6 +10,8 @@
#![plugin(heapsize_plugin)]
#![plugin(serde_macros)]
+#![deny(unsafe_code)]
+
extern crate heapsize;
extern crate num as num_lib;
extern crate rustc_serialize;