message: fix(rome_rowan): fix the next_token and prev_token methods on SyntaxToken
diff: @@ -140,22 +140,30 @@ impl SyntaxToken {
  }
  pub fn next_token(&self) -> Option<SyntaxToken> {
  - match self.next_sibling_or_token() {
  - Some(element) => element.first_token(),
  - None => self
  - .ancestors()
  - .find_map(|it| it.next_sibling_or_token())
  - .and_then(|element| element.first_token()),
  - }
  + iter::successors(
  + self.next_sibling_or_token(),
  + SyntaxElement::next_sibling_or_token,
  + )
  + .chain(self.ancestors().flat_map(|node| {
  + iter::successors(
  + node.next_sibling_or_token(),
  + SyntaxElement::next_sibling_or_token,
  + )
  + }))
  + .find_map(|element| element.first_token())
  }
  pub fn prev_token(&self) -> Option<SyntaxToken> {
  - match self.prev_sibling_or_token() {
  - Some(element) => element.last_token(),
  - None => self
  - .ancestors()
  - .find_map(|it| it.prev_sibling_or_token())
  - .and_then(|element| element.last_token()),
  - }
  + iter::successors(
  + self.prev_sibling_or_token(),
  + SyntaxElement::prev_sibling_or_token,
  + )
  + .chain(self.ancestors().flat_map(|node| {
  + iter::successors(
  + node.prev_sibling_or_token(),
  + SyntaxElement::prev_sibling_or_token,
  + )
  + }))
  + .find_map(|element| element.last_token())
  }
  #[must_use = "syntax elements are immutable, the result of update methods must be propagated to have any effect"]
  