mirror of https://github.com/rust-lang/rust.git
25 lines
452 B
Rust
25 lines
452 B
Rust
//@ run-pass
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//@ aux-build:trait_safety_lib.rs
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// Simple smoke test that unsafe traits can be compiled across crates.
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extern crate trait_safety_lib as lib;
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use lib::Foo;
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struct Bar { x: isize }
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unsafe impl Foo for Bar {
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fn foo(&self) -> isize { self.x }
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}
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fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }
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fn main() {
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let x: isize = 22;
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assert_eq!(22, take_foo(&x));
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let x: Bar = Bar { x: 23 };
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assert_eq!(23, take_foo(&x));
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}
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