rustHow to convert a u8 slice to hex in Rust?

To convert a u8 slice to hex in Rust, you can use the encode_hex method from the hex crate. This method takes a &[u8] as an argument and returns a String containing the hexadecimal representation of the slice.

Example code

use hex::encode_hex;

let bytes = [0x41, 0x42, 0x43];
let hex = encode_hex(&bytes);

println!("{}", hex);

Output example

414243

Code explanation

• use hex::encode_hex;: imports the encode_hex method from the hex crate.
• let bytes = [0x41, 0x42, 0x43];: creates a u8 slice containing the bytes 0x41, 0x42 and 0x43.
• let hex = encode_hex(&bytes);: calls the encode_hex method with the bytes slice as an argument and stores the result in the hex variable.
• println!("{}", hex);: prints the hex variable to the console.

Helpful links

• hex crate documentation

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