Auto merge of #244 - wictory:master, r=cuviper
Added trait From<T> for Ratio<T> where T: Clone + Integer Hi! So I thought that this kind of trait would be useful when one wants to write code which should be generic over different types of numbers.
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@ -261,6 +261,13 @@ impl Ratio<BigInt> {
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}
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}
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// From integer
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impl<T> From<T> for Ratio<T> where T: Clone + Integer {
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fn from(x: T) -> Ratio<T> {
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Ratio::from_integer(x)
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}
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}
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// Comparisons
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// Mathematically, comparing a/b and c/d is the same as comparing a*d and b*c, but it's very easy
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@ -738,6 +745,7 @@ mod test {
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assert_eq!(_1_2, Ratio::new(1, 2));
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assert_eq!(_3_2, Ratio::new(3, 2));
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assert_eq!(_NEG1_2, Ratio::new(-1, 2));
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assert_eq!(_2, From::from(2));
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}
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#[test]
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