qinglong_app/lib/base/code_editor/ToolButton.dart

import 'package:flutter/material.dart';

/// A button under the navigation bar to help the user write code.
class ToolButton {
  Function press;
  IconData? icon;
  String? symbol;

  ToolButton({
    required this.press,
    this.icon,
    this.symbol,
  });
}