2018-08-30 14:18:55 +02:00
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//@ run-pass
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2018-09-25 23:51:35 +02:00
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#![allow(dead_code)]
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2012-11-28 12:34:30 -08:00
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// Extending Num and using inherited static methods
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2015-03-22 13:13:15 -07:00
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//@ pretty-expanded FIXME #23616
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2015-12-15 04:31:58 -05:00
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pub trait NumCast: Sized {
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2015-04-17 22:12:20 -07:00
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fn from(i: i32) -> Option<Self>;
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}
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2012-11-28 12:34:30 -08:00
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2014-09-19 12:30:07 -07:00
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pub trait Num {
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2015-03-25 17:06:52 -07:00
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fn from_int(i: isize) -> Self;
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2013-01-30 19:42:06 -08:00
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fn gt(&self, other: &Self) -> bool;
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2012-11-28 12:34:30 -08:00
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}
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2014-11-10 11:30:52 +11:00
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pub trait NumExt: NumCast + PartialOrd { }
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2012-11-28 12:34:30 -08:00
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fn greater_than_one<T:NumExt>(n: &T) -> bool {
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2015-01-25 22:05:03 +01:00
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n.gt(&NumCast::from(1).unwrap())
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2012-11-28 12:34:30 -08:00
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}
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2013-02-01 19:43:17 -08:00
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pub fn main() {}
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