1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(default_type_params)]
13 use std::thread::Thread;
14 use std::sync::mpsc::Sender;
15 use std::thunk::Invoke;
17 type RingBuffer = Vec<f64> ;
18 type SamplesFn = Box<FnMut(&RingBuffer) + Send>;
22 GetSamples(String, SamplesFn), // sample set name, callback which receives samples
25 fn foo(name: String, samples_chan: Sender<Msg>) {
26 let _t = Thread::spawn(move|| {
27 let mut samples_chan = samples_chan;
29 // `box() (...)` syntax is needed to make pretty printer converge in one try:
30 let callback: SamplesFn = box() (move |buffer| {
31 for i in range(0u, buffer.len()) {
32 println!("{}: {}", i, buffer[i])
36 samples_chan.send(Msg::GetSamples(name.clone(), callback));