33 lines
940 B
Rust
33 lines
940 B
Rust
![]() |
// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
|
||
|
// file at the top-level directory of this distribution and at
|
||
|
// http://rust-lang.org/COPYRIGHT.
|
||
|
//
|
||
|
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||
|
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||
|
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||
|
// option. This file may not be copied, modified, or distributed
|
||
|
// except according to those terms.
|
||
|
|
||
|
extern crate testcrate;
|
||
|
|
||
|
extern "C" fn bar<T>(ts: testcrate::TestStruct<T>) -> T { ts.y }
|
||
|
|
||
|
#[link(name = "test")]
|
||
|
extern {
|
||
|
fn call(c: extern "C" fn(testcrate::TestStruct<i32>) -> i32) -> i32;
|
||
|
}
|
||
|
|
||
|
fn main() {
|
||
|
// Let's test calling it cross crate
|
||
|
let back = unsafe {
|
||
|
testcrate::call(testcrate::foo::<i32>)
|
||
|
};
|
||
|
assert_eq!(3, back);
|
||
|
|
||
|
// And just within this crate
|
||
|
let back = unsafe {
|
||
|
call(bar::<i32>)
|
||
|
};
|
||
|
assert_eq!(3, back);
|
||
|
}
|