bjoernager/rust
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Remove lots of numeric traits from the preludes

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Num, NumCast, Unsigned, Float, Primitive and Int have been removed.
This commit is contained in:
Brendan Zabarauskas 2014-11-10 16:26:10 +11:00
parent 891559e30d
commit e965ba85ca
48 changed files with 100 additions and 66 deletions
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9
src/libstd/num/mod.rs
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@ -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());