Package com.intellij.util

Interface NullableFunction<Param,Result>

All Superinterfaces:

Function<Param,Result>

All Known Subinterfaces:

NotNullFunction<Param,Result>

All Known Implementing Classes:

ConstantFunction, Function.InstanceOf, GrDecimalBinaryExpressionTypeCalculator, GrDivExpressionTypeCalculator, GrMultiplicativeExpressionTypeCalculator, GrNumericBinaryExpressionTypeCalculator, GroovyGenerateAccessorProvider, KeepingExpandedExpander.Factory, NullableConstantFunction, OpeningExpander.Factory, PathReference.ResolveFunction, PsiExpressionTrimRenderer.RenderFunction, PsiFunction, UrlOpeningExpander.Factory, VcsLogContentProvider.VcsLogVisibilityPredicate, WorkingCopiesContent.VisibilityPredicate

public interface NullableFunction<Param,Result>
extends Function<Param,Result>

Nested Class Summary

Nested classes/interfaces inherited from interface com.intellij.util.Function

Function.First<P>, Function.FirstInCollection<P>, Function.InstanceOf<P,R extends P>, Function.Mono<T>

Field Summary

Fields

Modifier and Type	Field and Description
static NullableFunction<?,?>	NULL Deprecated. use FunctionUtil.nullConstant() instead

Fields inherited from interface com.intellij.util.Function

ID, TO_STRING

Method Summary

Modifier and Type	Method and Description
Result	fun(Param param)

Field Detail

NULL

@Deprecated
static final NullableFunction<?,?> NULL

Deprecated. use FunctionUtil.nullConstant() instead

Method Detail

fun

Result fun(Param param)

Specified by:

fun in interface Function<Param,Result>