ArrayWithSafeRemove.hx

class Test {
    static function main() {
        var a = new SmartArray([1, 2, 3]);
        for (e in a) {
            trace(e);
          if (e == 2) a.remove(1);
    	}
    }
}
    
abstract SmartArray({a: Array<Int>, it: SmartArrayIterator}) {

    inline public function new(arr:Array<Int>) this = {a: arr, it: new SmartArrayIterator(arr)};

   inline public function iterator():SmartArrayIterator return this.it.reset();
  
  inline public function remove(x:Int):Bool {
    var i = this.a.indexOf(x);
    if (i == -1) return false;
    if (i < this.it.i) this.it.i--;
    this.a.splice(i, 1);
    return true;
  }


}


class SmartArrayIterator {
    var a:Array<Int>;
    public var i:Int = 0;
    inline public function new(a:Array<Int>) this.a = a;
    
    inline public function hasNext():Bool return i < a.length;
    
    inline public function next():Int return a[i++];
    
    inline public function reset():SmartArrayIterator {
        i = 0;
        return this;
    }
    
}