checkIfNoSameElementExistInArray.ts

export const checkIfNoSameElementExistInArray = <T extends any>(_array:T[]):boolean => {
    //return false if any overlapped value exist.
    //return true if no same element exists.
    let arrayLen:number = _array.length;
    let set = new Set(_array);
    let setLen = set.size;
    return arrayLen === setLen
}