Method clamp_to_document

src/editor/cursor.rs:35–40

(&mut self, document: &Document)

    }

    pub fn clamp_to_document(&mut self, document: &Document) {
        let last_line = document.line_count().saturating_sub(1);
        self.line = self.line.min(last_line);
        self.column = self.column.min(document.line_len_chars(self.line));
        self.preferred_column = self.preferred_column.min(self.column);
    }

    pub fn move_left(&mut self, document: &Document) {
        if self.column > 0 {