fn index_to_row_col()

in src/main.rs [171:181]

• 11 lines of code
• 2 McCabe index (conditional complexity)

fn index_to_row_col(s: &str, index: usize) -> (usize, usize) {
    let chunk = &s[..index];
    let line_num = chunk.chars().filter(|x| x == &'\n').count();
    let last_newline = if let Some(result) = chunk.rfind('\n') {
        result as isize
    } else {
        -1
    };
    let col = index as isize - last_newline - 1;
    (line_num, col as usize)
}