public sub_string(large_string s, int line_idx) { string_ = s; line_idx_ = line_idx; }
public sub_string(large_string s, int line_idx) { string_ = s; line_idx_ = line_idx; }
public sub_string(large_string s, int line_idx) { string_ = s; line_idx_ = line_idx; }
public sub_string(large_string s, int line_idx) { string_ = s; line_idx_ = line_idx; }