Question

How to remove the letters from word1 if they do not exist in word2 with Rust

Answer 1

fn remove_non_common_letters(word1: &str, word2: &str) -> String {
    word1
        .chars()
        .filter(|ch| word2.contains(*ch))
        .collect()
}

fn main() {
    let word1 = "forest";
    let word2 = "tor";

    let result = remove_non_common_letters(word1, word2);
    
    println!("{}", result); 
}

 
 
/*
run:
   
ort

*/

 

70+ SQL courses for beginners and professionals