a.setBool(bA)
			} else {
				return fmt.Errorf("Could not convert %s to a boolean", a.String())
			}

		default:
			return errCmpMismatchedTypes
		}
		return nil

	case !okA && okB:
		// swap arguments to avoid repeating code
		return inferTypesForCmp(b, a)

	default:
		// Does not happen
		return nil
	}
}

// Value arithmetic functions: we do not expose them outside the