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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2015-03-22 13:13:15 -07:00
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2012-10-12 17:00:08 -07:00
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trait Deserializer {
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2015-03-25 17:06:52 -07:00
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fn read_int(&self) -> isize;
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2012-10-12 17:00:08 -07:00
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}
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2013-02-20 17:07:17 -08:00
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trait Deserializable<D:Deserializer> {
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2013-03-21 19:07:54 -07:00
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fn deserialize(d: &D) -> Self;
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2012-10-12 17:00:08 -07:00
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}
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2015-03-25 17:06:52 -07:00
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impl<D:Deserializer> Deserializable<D> for isize {
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fn deserialize(d: &D) -> isize {
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2012-10-12 17:00:08 -07:00
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return d.read_int();
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}
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}
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struct FromThinAir { dummy: () }
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2013-02-14 11:47:00 -08:00
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impl Deserializer for FromThinAir {
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2015-03-25 17:06:52 -07:00
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fn read_int(&self) -> isize { 22 }
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2012-10-12 17:00:08 -07:00
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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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2012-10-12 17:00:08 -07:00
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let d = FromThinAir { dummy: () };
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2015-03-25 17:06:52 -07:00
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let i: isize = Deserializable::deserialize(&d);
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2013-05-18 22:02:45 -04:00
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assert_eq!(i, 22);
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2013-01-30 19:42:06 -08:00
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}
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