read file rust

                                    //this will get a string with all the text from the file
var fileText = File.ReadAllText(@"path\to\my\file.txt");

//this will get all of the lines of the file as an string[]
var fileLines = File.ReadAllLines(@"path\to\my\file.txt");

                                    use std::env;
use std::fs;

fn main() {
    // --snip--
    let args: Vec<String> = env::args().collect();

    let query = &args[1];
    let filename = &args[2];

    println!("Searching for {}", query);
    println!("In file {}", filename);

    let contents = fs::read_to_string(filename)
        .expect("Something went wrong reading the file");

    println!("With text:\n{}", contents);
}