err = v
			default:
				err = fmt.Errorf("%s", v)
			}
		}
	}()

	Repeat(b, count)

	return
}

// See Issue golang.org/issue/16237
func TestRepeatCatchesOverflow(t *testing.T) {
	type testCase struct {
		s      string
		count  int
		errStr string
	}

	runTestCases := func(prefix string, tests []testCase) {
		for i, tt := range tests {