The Complete Rust Programming Reference Guide

Exploring the manifest file – Cargo.toml

Cargo heavily depends on the project's manifest file, the Cargo.toml file, to get all sorts of information for the project. Let's take a closer look at the structure of this file and what items it can contain. As you saw earlier, cargo new creates an almost empty manifest file, filled with just the necessary fields so that a project can be built. Every manifest file is divided into sections that specify the different properties of a project. We will take a look at the sections that are typically found in a moderate sized Cargo project's manifest file. Here's an imaginary Cargo.toml file from a larger application:

# cargo_manifest_example/Cargo.toml# We can write comments with `#` within a manifest ...