src/test/ui/traits/trait-safety-ok-cc.rs

   1 // run-pass
   2 // aux-build:trait_safety_lib.rs
   3
   4 // Simple smoke test that unsafe traits can be compiled across crates.
   5
   6
   7 extern crate trait_safety_lib as lib;
   8
   9 use lib::Foo;
  10
  11 struct Bar { x: isize }
  12 unsafe impl Foo for Bar {
  13     fn foo(&self) -> isize { self.x }
  14 }
  15
  16 fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }
  17
  18 fn main() {
  19     let x: isize = 22;
  20     assert_eq!(22, take_foo(&x));
  21
  22     let x: Bar = Bar { x: 23 };
  23     assert_eq!(23, take_foo(&x));
  24 }