Class Null

java.lang.Object

org.torqlang.klvm.Null

All Implemented Interfaces:

Comparable<Feature>, Complete, CompleteObj, CompleteOrIdent, Composite, Feature, FeatureOrIdent, FeatureOrIdentPtn, FeatureOrVar, FormatAsKernelString, Kernel, Literal, LiteralOrIdent, LiteralOrIdentPtn, LiteralOrVar, Obj, Scalar, Value, ValueOrIdent, ValueOrIdentPtn, ValueOrPtn, ValueOrResolvedPtn, ValueOrVar, ValueOrVarSet

public final class Null
extends Object
implements Literal

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NULL_NAME
static final Null	SINGLETON

Fields inherited from interface org.torqlang.klvm.Value

PRESENT

Method Summary

Modifier and Type	Method	Description
final <T,R> R	accept(KernelVisitor<T,R> visitor, T state)
final String	appendToString(String string)
final Feature	featureAt(int index)
final CompleteField	fieldAt(int index)
final int	fieldCount()
final String	formatAsKernelString()
final Literal	label()
final Object	toNativeValue()
final String	toString()
final CompleteProc	valueAt(int index)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.torqlang.klvm.Complete

checkComplete, toVar

Methods inherited from interface org.torqlang.klvm.CompleteObj

isValidKey

Methods inherited from interface org.torqlang.klvm.Feature

compareTo

Methods inherited from interface org.torqlang.klvm.Kernel

toKernelString

Methods inherited from interface org.torqlang.klvm.Literal

bindToValue, select

Methods inherited from interface org.torqlang.klvm.Obj

entailsRec

Methods inherited from interface org.torqlang.klvm.Value

add, bindToValueOrVar, bindToVar, caseNonRecOfThis, caseOf, caseRecOfThis, checkNotFailedValue, compareValueTo, deconstruct, disentails, divide, entails, entails, entailsValueOrIdent, entailsValueOrVar, entailsVar, greaterThan, greaterThanOrEqualTo, lessThan, lessThanOrEqualTo, modulo, multiply, negate, not, resolveValue, resolveValue, resolveValueOrIdent, resolveValueOrVar, resolveValueOrVar, subtract, unifyRecs

Methods inherited from interface org.torqlang.klvm.ValueOrIdentPtn

resolveValue

Field Details

NULL_NAME

public static final String NULL_NAME

See Also:

• Constant Field Values

SINGLETON

public static final Null SINGLETON

Method Details

accept

public final <T,R> R accept(KernelVisitor<T,R> visitor,
 T state)

Specified by:

accept in interface Kernel

Specified by:

accept in interface Obj

appendToString

public final String appendToString(String string)

Specified by:

appendToString in interface Value

featureAt

public final Feature featureAt(int index)

Specified by:

featureAt in interface Composite

fieldAt

public final CompleteField fieldAt(int index)

Specified by:

fieldAt in interface CompleteObj

Specified by:

fieldAt in interface Composite

fieldCount

public final int fieldCount()

Specified by:

fieldCount in interface Composite

formatAsKernelString

public final String formatAsKernelString()

Specified by:

formatAsKernelString in interface FormatAsKernelString

Specified by:

formatAsKernelString in interface Obj

label

public final Literal label()

Specified by:

label in interface Composite

toNativeValue

public final Object toNativeValue()

Specified by:

toNativeValue in interface Complete

toString

public final String toString()

Overrides:

toString in class Object

valueAt

public final CompleteProc valueAt(int index)

Specified by:

valueAt in interface CompleteObj

Specified by:

valueAt in interface Composite