tirando o tolowercase

src/rust/palindromo/src/main.rs

@@ -9,7 +9,7 @@ fn main() {
 }
 pub fn palindromo(mut word: String) -> bool {
  word = word.to_lowercase().split_whitespace().collect::<String>();
- let reversed_string: String = word.chars().rev().collect::<String>().to_lowercase();
+ let reversed_string: String = word.chars().rev().collect::<String>();
  if word.len() <= 1 {
  return true;
  }