shrev 1.1.3

Event channel, meant to be used with `specs`.
Documentation 
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extern crate shrev;

use shrev::EventChannel;

#[derive(Clone, Debug, PartialEq, Eq)]
pub struct TestEvent {
    data: u32,
}

fn main() {
    let mut channel = EventChannel::new();

    let mut reader1 = channel.register_reader();
    let mut reader2 = channel.register_reader();

    channel.single_write(TestEvent { data: 1 });

    // Prints one event
    println!("reader1 read: {:#?}", collect(channel.read(&mut reader1)));
    channel.single_write(TestEvent { data: 32 });

    // Prints two events
    println!("reader2 read: {:#?}", collect(channel.read(&mut reader2)));
    // Prints no events
    println!("reader2 read: {:#?}", collect(channel.read(&mut reader2)));
}

/// Collects an iterator to a `Vec`
fn collect<'a>(events: impl Iterator<Item = &'a TestEvent>) -> Vec<&'a TestEvent> {
    events.collect()
}