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RIOT/examples/rust-hello-world
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chrysn 69cb6b12fc rust: Update dependencies 
The change in 399e25cc was did not have the intended effect: As the
local crates still all defined 0.7 as the riot-wrappers version, that
dependency was actually down- rather than upgraded, and thus did not
effect the stabilizations.
2022-10-04 00:28:46 +02:00
..
src rust: Make examples / tests use any Rust RIOT modules 2022-07-10 21:27:13 +02:00
Cargo.lock rust: Update dependencies 2022-10-04 00:28:46 +02:00
Cargo.toml rust: Update dependencies 2022-10-04 00:28:46 +02:00
Makefile rust: Explicitly select nightly 2022-06-22 12:07:45 +02:00
README.md examples: Add Rust example 2021-12-16 13:29:30 +01:00

README.md

Hello World!

This is a basic example how to use Rust to write your RIOT application. It prints out the famous text Hello World!.

This example should foremost give you an overview how an application built completely in Rust is structured:

  • The Makefile resembles the regular application Makefile, see ../hello-world/ for more introduction to that.

  • The Cargo.toml file describes the Rust code, and declares its dependencies.

    Prominently, it contains a [lib] / crate-type = ["staticlib"] section, which is necessary for how RIOT later links together the C and Rust portions.

  • The file src/lib.rs (and any modules referenced by it) contain Rust code to be run.

    It uses the riot_main! macro provided by the riot-wrappers crate to declare the entry point of the program.

The code itself looks like the usual Rust hello-world example.