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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
import java.util.Arrays;
/**
* This class represents a negate-function in a {@link GroupingExpression}. It evaluates to a number that equals the
* negative of the results of the argument.
*
* @author Simon Thoresen Hult
*/
public class NegFunction extends FunctionNode {
/**
* Constructs a new instance of this class.
*
* @param exp The expression to evaluate, must evaluate to a number.
*/
public NegFunction(GroupingExpression exp) {
super("neg", Arrays.asList(exp));
}
}
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