print2 method Null safety

void print2(
  1. int printCount,
  2. int repeatCountPerLabel
)

打印标签

printCount 打印份数 repeatCountPerLabel 每份重复打印的次数

Implementation

void print2(int printCount, int repeatCountPerLabel) {
  addString("PRINT $printCount,$repeatCountPerLabel\r\n");
}