main.rs

#![feature(non_ascii_idents)]

fn main() {
    std::env::args().nth(1)
    .ok_or(format!("Usage: {} FILE", std::env::args().next().unwrap())) // File name
    .and_then(|filename| {
        std::fs::File::open(&filename)
            .map_err(|e| (&e as &std::error::Error).description().to_string())
    }).map(|f| (f, String::new()))
    .map(|(mut f, mut s)| ((&mut f as &mut std::io::Read).read_to_string(&mut s), s))

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

bvssvni

//! Chain macro in Rust
//!
//! A typical usage is to avoid nested match expressions.
//!
//! Supports:
//! - Pattern matching
//! - Or expressions (A | B => ...)
//! - Guarded statements (x if <cond> => ...)
//! - Implicit else (requires all arms to return same type)

Antarix

import android.app.Activity;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;