# rust refactoring

Refactoring practices applied to Rust programs, including separating concerns and extracting program logic into functions or libraries.

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## Presentation: Accelerating Performance by Incrementally Integrating Rust Into Existing Codebase

DevFeed: [Presentation: Accelerating Performance by Incrementally Integrating Rust Into Existing Codebase](<https://devfeed.tech/articles/presentation-accelerating-performance-by-incrementally-integrating-rust-into-existing-codebase-8464.md>)

Original publisher: [Read original article](<https://www.infoq.com/presentations/rust-refactoring/>)

Author: Lily Mara

Published: 2026-09-10T09:34:00Z

Content type: article

Language: en

Sources: [InfoQ](<https://devfeed.tech/sources/infoq.md>)

Topics: [rust refactoring](<https://devfeed.tech/topics/rust-refactoring.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [Integration testing](<https://devfeed.tech/topics/integration-testing.md>)

Tags: [architecture](<https://devfeed.tech/tags/architecture.md>), [cost](<https://devfeed.tech/tags/cost.md>), [culture-methods](<https://devfeed.tech/tags/culture-methods.md>), [design](<https://devfeed.tech/tags/design.md>), [development](<https://devfeed.tech/tags/development.md>), [engineering](<https://devfeed.tech/tags/engineering.md>), [infoq](<https://devfeed.tech/tags/infoq.md>), [infrastructure](<https://devfeed.tech/tags/infrastructure.md>), [performance](<https://devfeed.tech/tags/performance.md>), [presentation](<https://devfeed.tech/tags/presentation.md>), [python](<https://devfeed.tech/tags/python.md>), [qcon-san-francisco-2025](<https://devfeed.tech/tags/qcon-san-francisco-2025.md>), [qcon-software-development-conference](<https://devfeed.tech/tags/qcon-software-development-conference.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [rust](<https://devfeed.tech/tags/rust.md>), [rust-refactoring](<https://devfeed.tech/tags/rust-refactoring.md>), [system-programming](<https://devfeed.tech/tags/system-programming.md>), [testing](<https://devfeed.tech/tags/testing.md>), [transcripts](<https://devfeed.tech/tags/transcripts.md>)

### AI overview

A presentation on incrementally refactoring Python bottlenecks into Rust with PyO3 to improve function-level performance, retain integration testing, and reduce infrastructure costs.

### Source excerpt

Lily Mara explains how to avoid high-risk software rewrites through incremental FFI refactoring. She shares how engineering teams can replace Python bottlenecks with Rust via PyO3, demonstrating how to achieve dramatic function-level speedups, seamless integration testing, and meaningful infrastructure cost savings without microservice overhead. By Lily Mara

## Ethereum Metropolis and Byzantium Development Roundup

DevFeed: [Ethereum Metropolis and Byzantium Development Roundup](<https://devfeed.tech/articles/roundup-6-16812.md>)

Original publisher: [Read original article](<https://blog.ethereum.org/en/2017/10/09/roundup-6>)

Author: Ethereum Foundation

Published: 2017-10-09T09:55:53Z

Content type: news

Language: en

Sources: [Ethereum Foundation Blog](<https://devfeed.tech/sources/ethereum-foundation-blog.md>)

Topics: [Ethereum](<https://devfeed.tech/topics/ethereum.md>), [Metropolis](<https://devfeed.tech/topics/metropolis.md>), [resharper](<https://devfeed.tech/topics/resharper.md>), [rust refactoring](<https://devfeed.tech/topics/rust-refactoring.md>), [Algorithms, Complexity](<https://devfeed.tech/topics/algorithms-complexity.md>)

Tags: [code](<https://devfeed.tech/tags/code.md>), [cryptographic](<https://devfeed.tech/tags/cryptographic.md>), [deadlock](<https://devfeed.tech/tags/deadlock.md>), [documentation](<https://devfeed.tech/tags/documentation.md>), [ethereum](<https://devfeed.tech/tags/ethereum.md>), [features](<https://devfeed.tech/tags/features.md>), [metropolis](<https://devfeed.tech/tags/metropolis.md>), [new-features](<https://devfeed.tech/tags/new-features.md>), [python](<https://devfeed.tech/tags/python.md>), [race-condition](<https://devfeed.tech/tags/race-condition.md>), [research-development](<https://devfeed.tech/tags/research-development.md>), [sharding](<https://devfeed.tech/tags/sharding.md>), [unit-test](<https://devfeed.tech/tags/unit-test.md>), [warp](<https://devfeed.tech/tags/warp.md>)

### AI overview

An Ethereum development roundup reports progress on the Metropolis and Byzantium fork, including testnet success, a projected mainnet block, new opcodes and cryptographic precompiles. It also covers Casper, sharding, client updates, synchronization, refactoring, bug fixes, and testing improvements.

### Source excerpt

Metropolis is finally (almost) here! The fork for Byzantium, the first and larger part of Metropolis, succeeded on the testnet over two weeks ago, and the likely date for the fork on the mainnet has been set to block 4.37 million, which is expected to be on Oct 17. New features...

## August Meetup: Refactoring the Droidcon App + A NoSQL Alternative - Jeff Namnum

DevFeed: [August Meetup: Refactoring the Droidcon App + A NoSQL Alternative - Jeff Namnum](<https://devfeed.tech/articles/august-meetup-refactoring-the-droidcon-app-a-nosql-alternative-jeff-namnum-38141.md>)

Original publisher: [Read original article](<https://touchlab.co/2017-9-august-meetup-refactoring-the-droidcon-app-a-nosql-alternative>)

Published: 2017-09-05T15:15:36Z

Content type: article

Language: en

Sources: [Touchlab | Enterprise Mobile Innovation & Development](<https://devfeed.tech/sources/touchlab-enterprise-mobile-innovation-development.md>)

Topics: [Mobile](<https://devfeed.tech/topics/mobile.md>), [NoSQL](<https://devfeed.tech/topics/nosql.md>), [rust refactoring](<https://devfeed.tech/topics/rust-refactoring.md>), [SQLite](<https://devfeed.tech/topics/sqlite.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [built-by-touchlab](<https://devfeed.tech/tags/built-by-touchlab.md>), [code-sharing](<https://devfeed.tech/tags/code-sharing.md>), [community](<https://devfeed.tech/tags/community.md>), [meetup](<https://devfeed.tech/tags/meetup.md>), [mobile](<https://devfeed.tech/tags/mobile.md>), [nosql](<https://devfeed.tech/tags/nosql.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [sqlite](<https://devfeed.tech/tags/sqlite.md>)

### AI overview

A recap of Touchlab's August meetup covering Doppl code sharing and updates to the Droidcon app, followed by a presentation on using Couchbase Lite 2.0 and NoSQL as an embedded database for mobile platforms.

### Source excerpt

Our August meetup was at none other than Meetup itself! We were welcomed at the door with great meetup swag & then headed right to the food & drinks.

## Outreachy: What It Is, How It Works, and Why It Matters

DevFeed: [Outreachy: What It Is, How It Works, and Why It Matters](<https://devfeed.tech/articles/outreachy-what-how-why-20250.md>)

Original publisher: [Read original article](<http://anjana.dev/blog/outreachy-what-how-why/>)

Author: Anjana Sofia Vakil (contact@anjana.dev)

Published: 2016-05-23T00:00:00Z

Content type: article

Language: en

Sources: [Mozilla Automation](<https://devfeed.tech/sources/mozilla-automation.md>)

Topics: [Hacktoberfest](<https://devfeed.tech/topics/hacktoberfest.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [rust refactoring](<https://devfeed.tech/topics/rust-refactoring.md>), [Python](<https://devfeed.tech/topics/python.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [The Lounge](<https://devfeed.tech/topics/thelounge.md>), [Firefox](<https://devfeed.tech/topics/firefox.md>), [Puppeteer](<https://devfeed.tech/topics/puppeteer.md>)

Tags: [foss](<https://devfeed.tech/tags/foss.md>), [internship](<https://devfeed.tech/tags/internship.md>), [irc](<https://devfeed.tech/tags/irc.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [outreachy](<https://devfeed.tech/tags/outreachy.md>), [python](<https://devfeed.tech/tags/python.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [software](<https://devfeed.tech/tags/software.md>), [testing](<https://devfeed.tech/tags/testing.md>)

### AI overview

The author describes starting an Outreachy internship with Mozilla and explains how the program helps people from underrepresented groups participate in free and open-source software. The article covers its remote, paid, three-month internships, mentoring, communication practices, and the author's project to test and refactor Marionette's Python test runner.

### Source excerpt

Today was my first day as an Outreachy intern with Mozilla! What does that even mean? Why is it super exciting? How did I swing such a sweet gig? How will I be spending my summer non-vacation? Read on to find out! What is Outreachy? Outreachy is a fantastic initiative to get more women and members of other underrepresented groups involved in Free & Open Source Software. Through Outreachy, organizations that create open-source software (e.g. Mozilla, GNOME, Wikimedia, to name a few) take on interns to work full-time on a specific project for 3 months. There are two internship rounds each year, May-August and December-March. Interns are paid for their time, and receive guidance/supervision from an assigned mentor, usually a full-time employee of the organization who leads the given project. Oh yeah, and the whole thing is done remotely! For a lot of people (myself included) who don't/can't/won't live in a major tech hub, the opportunity to work remotely removes one of the biggest barriers to jumping in to the professional tech community. But as FOSS developers tend to be pretty distributed anyway (I think my project's team, for example, is on about 3 continents), it's relatively easy for the intern to integrate with the team. It seems that most communication takes place over IRC and, to a lesser extent, videoconferencing. What does an Outreachy intern do? Anything and everything! Each project and organization is different. But in general, interns spend their time... Coding (or not) A lot of projects involve writing code, though what that actually entails (language, framework, writing vs. refactoring, etc.) varies from organization to organization and project to project. However, there are also projects that don't involve code at all, and instead have the intern working on equally important things like design, documentation, or community management. As for me specifically, I'll be working on the project Test-driven Refactoring of Marionette's Python Test Runner. You can