pair.rs

    /// Returns the line and column numbers for the beginning and the end of
    /// this pair.
    ///
    /// # Example
    ///
    /// ```
    /// # use std::rc::Rc;
    /// # use pest;
    /// # use pest::inputs::StringInput;
    /// # #[allow(non_camel_case_types)]
    /// # #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
    /// enum Rule {
    ///     ab
    /// }
    ///
    /// let input = Rc::new(StringInput::new("ab".to_owned()));
    /// let pair = pest::state(input, |state, pos| {
    ///     // generating a Token pair with Rule::ab
    /// #     state.rule(Rule::ab, pos, |_, p| p.match_string("ab"))
    /// }).unwrap().next().unwrap();
    ///
    /// assert_eq!(unsafe { pair.input_range() }, ((1,1), (1,2)));
    /// ```
    #[inline]
    pub unsafe fn input_range(&self) -> ((usize, usize), (usize, usize)) {
        let start_token_pos = self.pos(self.start);
        let end_token_pos = self.pos(self.pair());

        println!("queue: {:?}", self.queue);

        (self.input.line_col(start_token_pos), self.input.line_col(end_token_pos))
    }

test_result.txt

failures:

---- src/iterators/pair.rs - iterators::pair::Pair<R, I>::input_range (line 208) stdout ----
	thread 'rustc' panicked at 'test executable failed:
queue: [Start { pair: 1, pos: 0 }, End { rule: ab, pos: 2 }]

thread 'main' panicked at 'assertion failed: `(left == right)`
  left: `((1, 1), (1, 3))`,
 right: `((1, 1), (1, 2))`', src/iterators/pair.rs:18:0
note: Run with `RUST_BACKTRACE=1` for a backtrace.