How to convert a string to hex in Rust?

Encoding and decoding data into/from hexadecimal representation. In order to use this crate, you have to add it under [dependencies] to your Cargo.toml

[dependencies]
hex = "0.4"

By default this will import std, if you are working in a no_std environment you can turn this off by adding the following


[dependencies]
hex = { version = "0.4", default-features = false }

Encoding a String

let hex_string = hex::encode("Hello world!");

println!("{}", hex_string); // Prints "48656c6c6f20776f726c6421"

Decoding a String

let decoded_string = hex::decode("48656c6c6f20776f726c6421");

println!("{}", decoded_string); // Prints "Hello world!"

Conclusion

In this page (written and validated by A. Gawali) you learned about How to convert a string to hex in Rust? . What's Next? If you are interested in completing Rust tutorial, we encourage you simply to start here: Rust Tutorial.

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