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-rw-r--r--src/libextra/num/complex.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libextra/num/complex.rs b/src/libextra/num/complex.rs
index 41d2b4a101c..09bd66232eb 100644
--- a/src/libextra/num/complex.rs
+++ b/src/libextra/num/complex.rs
@@ -11,6 +11,8 @@
 
 //! Complex numbers.
 
+use core::prelude::*;
+
 use core::num::{Zero,One,ToStrRadix};
 
 // FIXME #1284: handle complex NaN & infinity etc. This