Method put_back

src/parser.rs:85–88

(&mut self, token: Token<'a>)

  /// Puts a token back so the next `scan()` returns it.
  #[cfg(feature = "serde")]
  pub fn put_back(&mut self, token: Token<'a>) {
    debug_assert!(self.pending_token.is_none(), "put_back called with pending token");
    self.pending_token = Some(token);
  }

  /// Increments depth and checks the nesting limit.
  pub fn enter_container(&mut self) -> Result<(), ParseError> {