differentSymbolsNaive=s=>[...new Set(s)].length
////////10////////20////////30////////40////////50////////60////////70////////80////////90///////100

// [DAY 17] score: 47

/*
** javascriptmas golf rules:
** - the original test suite must pass and not be modified
** - the solution must generally work (edge cases aren't important unless stated in the problem)
** - each character in the code above counts as a stroke (including whitespace)
** - lowest score wins
*/

/**
* Test Suite 
*/
describe('differentSymbolsNaive()', () => {
    it('returns count of unique characters', () => {
        // arrange
        const str = 'cabca';
        
        // act
        const result = differentSymbolsNaive(str);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(3);
    });
});