rust/src/test/run-pass/close-over-big-then-small-data.rs

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// Copyright 2012 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.
// If we use GEPi rathern than GEP_tup_like when
// storing closure data (as we used to do), the u64 would
// overwrite the u16.
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struct Pair<A,B> {
a: A, b: B
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}
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fn f<A:Clone + 'static>(a: A, b: u16) -> @fn() -> (A, u16) {
let result: @fn() -> (A, u16) = || (a.clone(), b);
result
}
pub fn main() {
let (a, b) = f(22_u64, 44u16)();
info!("a=%? b=%?", a, b);
assert_eq!(a, 22u64);
assert_eq!(b, 44u16);
}