Rust - Find and Remove piece of string

rust_find_and_remove_piece_of_str.rs

fn main() {
  const NAMESPACE_LENGTH: usize = 9;

  let path = "/api/v1/catalog/GetNames";

  // find index of catalog namespace
  match path.find("/catalog/") {
    Some(index) => {
      let unused = NAMESPACE_LENGTH + index;

      println!("found at {}", index);
      println!("func is: {}", &path[unused..])
      
      // found at 7
      // func is: GetNames
    },
    None => println!("Not found!")
  }
}