47 lines
1.2 KiB
Rust
47 lines
1.2 KiB
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// xfail-fast
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use std::task;
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pub fn main() { test05(); }
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#[deriving(Clone)]
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struct Pair<A,B> {
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a: A,
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b: B,
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}
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fn make_generic_record<A,B>(a: A, b: B) -> Pair<A,B> {
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return Pair {a: a, b: b};
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}
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fn test05_start(f: &~fn(v: f64, v: ~str) -> Pair<f64, ~str>) {
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let p = (*f)(22.22, ~"Hi");
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info!("{:?}", p.clone());
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assert!(p.a == 22.22);
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assert!(p.b == ~"Hi");
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let q = (*f)(44.44, ~"Ho");
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info!("{:?}", q.clone());
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assert!(q.a == 44.44);
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assert!(q.b == ~"Ho");
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}
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fn spawn<A,B>(f: extern fn(&~fn(A,B)->Pair<A,B>)) {
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let arg: ~fn(A, B) -> Pair<A,B> = |a, b| make_generic_record(a, b);
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task::spawn(|| f(&arg));
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}
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fn test05() {
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spawn::<f64,~str>(test05_start);
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}
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