34 lines
443 B
Rust
34 lines
443 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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trait clam<A> {
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fn chowder(&self, y: A);
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}
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#[derive(Copy, Clone)]
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struct foo<A> {
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x: A,
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}
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impl<A> clam<A> for foo<A> {
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fn chowder(&self, _y: A) {
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}
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}
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fn foo<A>(b: A) -> foo<A> {
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foo {
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x: b
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}
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}
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fn f<A>(x: Box<dyn clam<A>>, a: A) {
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x.chowder(a);
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}
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pub fn main() {
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let c = foo(42);
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let d: Box<dyn clam<isize>> = Box::new(c) as Box<dyn clam<isize>>;
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f(d, c.x);
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}
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