/**
* Validates value type
*
* @param mixed $value The value
*
* @return void
*
* @throws TypeException When value is an invalid type
*/
private function guardValue($value)
{
if (!$this->isValid($value)) {
$message = 'Value must be scalar or an array of scalars';
throw TypeException::create($message);
}
}
/**
* Validates monetary operand is an integer or float
*
* @param mixed $operand The operand
*
* @return void
*
* @throws TypeException When the operand is not an integer or float
*/
private function guardOperand($operand)
{
if (!is_int($operand) && !is_float($operand)) {
$message = sprintf('Operand must be an integer or float; received (%s) %s', gettype($operand), VarPrinter::toString($operand));
throw TypeException::create($message);
}
}
