// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::task; type RingBuffer = Vec ; type SamplesFn = proc(samples: &RingBuffer):Send; enum Msg { GetSamples(String, SamplesFn), // sample set name, callback which receives samples } fn foo(name: String, samples_chan: Sender) { task::spawn(proc() { let mut samples_chan = samples_chan; let callback: SamplesFn = proc(buffer) { for i in range(0u, buffer.len()) { println!("{}: {}", i, buffer[i]) } }; samples_chan.send(GetSamples(name.clone(), callback)); }); } pub fn main() {}