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-rw-r--r--src/libcore/lib.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libcore/lib.rs b/src/libcore/lib.rs
index 164d3e49385..249f0a0c389 100644
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -108,6 +108,7 @@ mod uint_macros;
 #[path = "num/f32.rs"]   pub mod f32;
 #[path = "num/f64.rs"]   pub mod f64;
 
+#[macro_use]
 pub mod num;
 
 /* The libcore prelude, not as all-encompassing as the libstd prelude */