io.parsingdata.metal.expression.value.reference

Class First

java.lang.Object

io.parsingdata.metal.expression.value.reference.First

All Implemented Interfaces:

ValueExpression

public class First
extends Object
implements ValueExpression

A ValueExpression that represents the first OptionalValue returned by evaluating its operand.

Field Summary

Fields

Modifier and Type	Field and Description
ValueExpression	operand

Constructor Summary

Constructors

Constructor and Description
First(ValueExpression operand)

Method Summary

Modifier and Type	Method and Description
ImmutableList<OptionalValue>	eval(Environment environment, Encoding encoding)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

operand

public final ValueExpression operand

Constructor Detail

First

public First(ValueExpression operand)

Method Detail

eval

public ImmutableList<OptionalValue> eval(Environment environment,
                                         Encoding encoding)

Specified by:

eval in interface ValueExpression

toString

public String toString()

Overrides:

toString in class Object