/**
 * 用法: IF('A5', 'A6', 'A7')
 */
export function IF(args: any[]) {
  const [test, then_value, else_value] = args;
  return test ? then_value : else_value;
}

/**
 * 用法: AND('a1', 3, '', 'a5')
 */
export function AND(args: any[]) {
  return !args.some(arg => !arg);
}

/**
 * 用法: OR('a1', 3, '', 'a5')
 */
export function OR(args: any[]) {
  return args.some(arg => !arg);
}

/**
 * 用法: NOT('A5')
 */
export function NOT([arg]: any) {
  return !arg;
}