Method position_to_char

src/editor/document.rs:95–106

(&self, line: usize, column: usize)

    }

    pub fn position_to_char(&self, line: usize, column: usize) -> usize {
        let line_start = self.line_to_char(line);
        let Some(text) = self.line_text(line) else {
            return line_start;
        };
        let char_offset = text
            .graphemes(true)
            .take(column)
            .map(|g| g.chars().count())
            .sum::<usize>();
        line_start + char_offset
    }

    pub fn previous_grapheme_boundary(&self, char_idx: usize) -> usize {
        let char_idx = char_idx.min(self.len_chars());