22 lines
276 B
Rust
22 lines
276 B
Rust
trait Foo {
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fn f() -> int;
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}
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struct A {
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x: int
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}
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impl A : Foo {
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fn f() -> int {
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io::println(~"Today's number is " + self.x.to_str());
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return self.x;
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}
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}
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fn main() {
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let a = A { x: 3 };
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let b = (&a) as &Foo;
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assert b.f() == 3;
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}
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