diff options
Diffstat (limited to 'src/libstd/num/mod.rs')
| -rw-r--r-- | src/libstd/num/mod.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/libstd/num/mod.rs b/src/libstd/num/mod.rs index 28fe7538ca5..62e70e0c9de 100644 --- a/src/libstd/num/mod.rs +++ b/src/libstd/num/mod.rs @@ -18,7 +18,9 @@ use option::Option; +#[cfg(test)] use cmp::PartialEq; #[cfg(test)] use fmt::Show; +#[cfg(test)] use ops::{Add, Sub, Mul, Div, Rem}; pub use core::num::{Num, div_rem, Zero, zero, One, one}; pub use core::num::{Signed, abs, signum}; @@ -135,7 +137,12 @@ pub fn abs_sub<T: FloatMath>(x: T, y: T) -> T { /// Helper function for testing numeric operations #[cfg(test)] -pub fn test_num<T: Int + Show>(ten: T, two: T) { +pub fn test_num<T>(ten: T, two: T) where + T: PartialEq + NumCast + + Add<T, T> + Sub<T, T> + + Mul<T, T> + Div<T, T> + + Rem<T, T> + Show +{ assert_eq!(ten.add(&two), cast(12i).unwrap()); assert_eq!(ten.sub(&two), cast(8i).unwrap()); assert_eq!(ten.mul(&two), cast(20i).unwrap()); |