hash_self.rs

hash_self.rs

use sha2::{Sha256, Digest};
use std::time::Instant;

fn main() {
    // include_bytes! embeds the source code at compile time.
    let src_bytes = include_bytes!("main.rs");
    
    let start_time = Instant::now();

    // Initialize the SHA-256 hasher
    let mut hasher = Sha256::new();
    hasher.update(src_bytes);
    
    // Finalize the hash
    let result = hasher.finalize();

    let elapsed = start_time.elapsed();

    // Print the result by converting each byte to a hex string
    print!("SHA-256 Hash of main.rs: ");
    for byte in result {
        print!("{:02x}", byte);
    }
    
    println!("\nFile size: {} bytes", src_bytes.len());
    println!("Hash computed in: {:?}", elapsed);
}

https://play.rust-lang.org/?version=stable&mode=debug&edition=2024&gist=827feffbc03afb37079e2b2513e1c3fb