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cargo-expand for Mac

Show what Rust code looks like with macros expanded

Quick answer: cargo-expand is a command-line tool for macOS. Install it with brew install cargo-expand. It is distributed under the Apache-2.0 OR MIT licence. It has 69 Homebrew installs in the last 30 days.

What cargo-expand is

cargo-expand is a command-line tool for macOS: show what Rust code looks like with macros expanded.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. The project is open source and lives at https://github.com/dtolnay/cargo-expand.

How to install cargo-expand

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install cargo-expand.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install cargo-expand on Mac?

Run brew install cargo-expand in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is cargo-expand open source?

Yes — Homebrew distributes it under the Apache-2.0 OR MIT licence.

Does cargo-expand run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is cargo-expand?

It was installed 69 times in the last 30 days according to Homebrew analytics, ranking #4037 in this catalogue.

What version of cargo-expand is current?

The latest packaged version is 1.0.127.