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wtf is mio-examples?

carllerche/mio-examples — explained in plain English

Analysis updated 2026-08-15 · repo last pushed 2015-08-03

9RustAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

A small collection of example programs built with MIO, a Rust library for handling many network connections simultaneously. Includes a simple echo server to help developers learn low-level networking in Rust.

Mindmap

mindmap
  root((repo))
    What it does
      Sample MIO programs
      Echo server example
      Read line by line
    Tech stack
      Rust
      MIO library
      Networking
    Use cases
      Learn low-level networking
      Game server starting point
      Chat backend reference
    Audience
      Rust developers
      Networking learners
    Status
      Moved to main MIO repo
      Examples in getting started docs

Code map

Detail Auto

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Why would anyone build with this?

REASON 1

Learn how to use MIO for low-level network programming in Rust by studying a working echo server example.

REASON 2

Use the Ping Pong echo server as a starting point for building a custom server that handles many simultaneous connections.

REASON 3

Understand the basics of accepting network connections and echoing data back to clients line by line.

What's in the stack?

RustMIO

How it stacks up

carllerche/mio-examplesarchledger/irlumebottlesdevs/next-server
Stars999
LanguageRustRustRust
Last pushed2015-08-032026-07-31
MaintenanceDormantActive
Setup difficultyeasymoderatehard
Complexity2/53/54/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Each example is a standalone Rust project you can compile and run with Cargo, but note the examples have been moved to the main MIO repository.

No license information is provided in this repository.

Wtf does this do

MIO Examples is a small collection of sample programs built using MIO, a Rust library for handling many network connections at once. The examples are meant to help developers learn how to use MIO by showing working code they can run and study. The repository currently contains one example called "Ping Pong," which is a simple echo server. An echo server receives text from a client over a network connection and sends that same text back. It reads input line by line, making it straightforward to understand the basics of accepting connections and moving data around. Each example is set up as a standalone project, so you can compile and run it on its own without needing the rest of the repository. The audience here is developers learning Rust who want to understand low-level networking. If you are building something like a custom game server, a chat backend, or any application that needs to juggle many simultaneous connections efficiently, MIO is one of the tools you might reach for. These examples give you a starting point so you can see the library in action rather than just reading documentation. One thing worth noting is that this repository is no longer the main home for these examples. They have been moved into the main MIO repository as part of its getting started documentation. So if you are looking to learn from these examples today, you would find them integrated directly into the main project's docs rather than maintained separately here.

Yoink these prompts

Prompt 1
Help me set up and run the Ping Pong echo server example from the mio-examples repository in Rust. Walk me through compiling and connecting to it.
Prompt 2
Show me how to modify the MIO Ping Pong echo server to handle multiple client connections at the same time instead of just one.
Prompt 3
Explain how the MIO echo server reads input line by line and echoes it back, and help me adapt it into a simple chat backend that broadcasts messages to all connected clients.
Prompt 4
I want to build a custom game server in Rust using MIO. Use the Ping Pong example as a base and help me extend it to accept multiple connections and route game messages between them.

Frequently asked questions

wtf is mio-examples?

A small collection of example programs built with MIO, a Rust library for handling many network connections simultaneously. Includes a simple echo server to help developers learn low-level networking in Rust.

What language is mio-examples written in?

Mainly Rust. The stack also includes Rust, MIO.

Is mio-examples actively maintained?

Dormant — no commits in 2+ years (last push 2015-08-03).

What license does mio-examples use?

No license information is provided in this repository.

How hard is mio-examples to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is mio-examples for?

Mainly developer.

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