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https://github.com/rust-lang/rust
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20 lines
363 B
Rust
20 lines
363 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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#![allow(dead_code)]
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//@ pretty-expanded FIXME #23616
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trait thing<A> {
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fn foo(&self) -> Option<A>;
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}
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impl<A> thing<A> for isize {
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fn foo(&self) -> Option<A> { None }
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}
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fn foo_func<A, B: thing<A>>(x: B) -> Option<A> { x.foo() }
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struct A { a: isize }
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pub fn main() {
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let _x: Option<f64> = foo_func(0);
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}
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