function toDialectString(IDialect $dialect)
{
$compiledSlices = array();
$compiledSlices[] = $this->operator->toDialectString($dialect);
$compiledSlices[] = '(';
$compiledSlices[] = $this->subject->toDialectString($dialect);
$compiledSlices[] = ')';
$compiledString = join(' ', $compiledSlices);
return $compiledString;
}
/**
* Creates an instance of binary expression node, representing the construction: -subject
*
* @param mixed $subject logical subject
* @return PrefixUnaryExpression
*/
static function negative($subject)
{
return new PrefixUnaryExpression(PrefixUnaryLogicalOperator::minus(), $subject);
}
