Package org.opencastproject.util.data

Class Function0<A>

java.lang.Object

org.opencastproject.util.data.Function0<A>

Direct Known Subclasses:

Effect0, Function0.X

public abstract class Function0<A>
extends Object

Function of arity 0, i.e. a constant function.

See Also:

• Function0.X

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Function0.X<A>	Version of Function0 that allows for throwing a checked exception.

Constructor Summary

Constructors

Constructor	Description
Function0()

Method Summary

Modifier and Type	Method	Description
abstract A	apply()	Apply function yielding a constant value.
<B> Function0<B>	then(Function<A,B> f)	Apply this function, then pass the result to f.
<B> Function0<B>	then(Function0<B> f)	Apply this function and ignore its result, then apply f.

Methods inherited from class java.lang.Object

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

Constructor Details

Function0

public Function0()

Method Details

apply

public abstract A apply()

Apply function yielding a constant value. Don't be tempted to become impure!

then

public <B> Function0<B> then(Function<A,B> f)

Apply this function, then pass the result to f.

then

public <B> Function0<B> then(Function0<B> f)

Apply this function and ignore its result, then apply f.