Move std::num::Integer to libnum

src/etc/vim/syntax/rust.vim

@@ -85,7 +85,7 @@ syn keyword rustTrait Iterator DoubleEndedIterator RandomAccessIterator Cloneabl
 syn keyword rustTrait OrdIterator MutableDoubleEndedIterator ExactSize
 
 syn keyword rustTrait Algebraic Trigonometric Exponential Hyperbolic
-syn keyword rustTrait Bitwise Bounded Integer
+syn keyword rustTrait Bitwise Bounded Fractional
 syn keyword rustTrait Num NumCast CheckedAdd CheckedSub CheckedMul CheckedDiv
 syn keyword rustTrait Orderable Signed Unsigned Round
 syn keyword rustTrait Primitive Int Float ToStrRadix ToPrimitive FromPrimitive

src/libnum/bigint.rs

@@ -16,6 +16,8 @@ A `BigUint` is represented as an array of `BigDigit`s.
 A `BigInt` is a combination of `BigUint` and `Sign`.
 */
 
+use Integer;
+
 use std::cmp;
 use std::cmp::{Eq, Ord, TotalEq, TotalOrd, Ordering, Less, Equal, Greater};
 use std::num::{Zero, One, ToStrRadix, FromStrRadix};
@@ -461,7 +463,7 @@ impl Integer for BigUint {
 
     /// Returns `true` if the number can be divided by `other` without leaving a remainder
     #[inline]
-    fn is_multiple_of(&self, other: &BigUint) -> bool { (*self % *other).is_zero() }
+    fn divides(&self, other: &BigUint) -> bool { (*self % *other).is_zero() }
 
     /// Returns `true` if the number is divisible by `2`
     #[inline]
@@ -1118,7 +1120,7 @@ impl Integer for BigInt {
 
     /// Returns `true` if the number can be divided by `other` without leaving a remainder
     #[inline]
-    fn is_multiple_of(&self, other: &BigInt) -> bool { self.data.is_multiple_of(&other.data) }
+    fn divides(&self, other: &BigInt) -> bool { self.data.divides(&other.data) }
 
     /// Returns `true` if the number is divisible by `2`
     #[inline]
@@ -1388,6 +1390,7 @@ impl BigInt {
 
 #[cfg(test)]
 mod biguint_tests {
+    use Integer;
     use super::{BigDigit, BigUint, ToBigUint};
     use super::{Plus, BigInt, RandBigInt, ToBigInt};
 
@@ -2045,6 +2048,7 @@ mod biguint_tests {
 
 #[cfg(test)]
 mod bigint_tests {
+    use Integer;
     use super::{BigDigit, BigUint, ToBigUint};
     use super::{Sign, Minus, Zero, Plus, BigInt, RandBigInt, ToBigInt};