1export const find1Ret = <InputArrayItemType, ReturnType>(
2  arr: InputArrayItemType[], 
3  fnc: (item: InputArrayItemType) => ReturnType
4): ReturnType | undefined => {
5  if (!arr) return
6  for(let i = 0; i < arr.length; i++) {
7    const result = fnc(arr[i])
8    if (result) return result
9  }
10}
11