RUST

how to concatenate two &str in rust

// using 2 variables
let new_string = format!("{}{}", first_string, second_string);
// using 2 literals
let new_string = format!("{}{}", "first string ", "second string");

rust concatenate strings

let text1 = "hello".to_owned();
let text2 = text1 + " world";
println!("{}", text2);

rust concat

let s = concat!("test", 10, 'b', true); // concatenates string literals
assert_eq!(s, "test10btrue");

concat string rust

fn main() {
  let mut string = String::from("Hello");

  string.push_str(" World");
  
  println!("{}", string);
}