Struct testCase

8.3/calculator_test.go:10–13

func TestAddMany(t *testing.T) {
	t.Parallel()
	type testCase struct {
		inputs []float64
		want   float64
	}
	testCases := []testCase{
		{inputs: []float64{}, want: 0},
		{inputs: []float64{2}, want: 2},