unity 2d how to limit instantiate code example

Example 1: how do i limit the amount of prefabs in unity using c# script

int maxEnemy = 50; int enemyCount = 0;  void Spawn() {     if(enemyCount >= maxEnemy) return;     // Instantiate     enemyCount++; }

Example 2: how do i limit the amount of prefabs in unity using c# script

CancelInvoke("Spawn");