Package hydra.lib.maps

Class Singleton

java.lang.Object

hydra.tools.PrimitiveFunction

hydra.lib.maps.Singleton

public class Singleton
extends PrimitiveFunction

Creates a singleton list.

Constructor Summary

Constructors

Constructor	Description
Singleton()

Method Summary

Modifier and Type	Method	Description
static <K, V> Function<V,Map<K,V>>	apply(K key)	Creates a map with one element.
static <K, V> Map<K,V>	apply(K key, V value)	Creates a map with one element.
protected Function<List<Term>,Flow<Graph,Term>>	implementation()	Get the implementation of this primitive function.
Name	name()	Get the name of this primitive function.
TypeScheme	type()	Get the type scheme of this primitive function.

Methods inherited from class hydra.tools.PrimitiveFunction

term, toNative

Methods inherited from class java.lang.Object

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

Constructor Details

Singleton

public Singleton()

Method Details

name

public Name name()

Get the name of this primitive function.

Specified by:

name in class PrimitiveFunction

Returns:

the name

type

public TypeScheme type()

Get the type scheme of this primitive function.

Specified by:

type in class PrimitiveFunction

Returns:

the type scheme

implementation

protected Function<List<Term>,Flow<Graph,Term>> implementation()

Get the implementation of this primitive function.

Specified by:

implementation in class PrimitiveFunction

Returns:

the implementation function

apply

public static <K,
V> Function<V,Map<K,V>> apply(K key)

Creates a map with one element.

Type Parameters:

K - the key type

V - the value type

Parameters:

key - the key

Returns:

a function that takes a value and returns the singleton map

apply

public static <K,
V> Map<K,V> apply(K key,
 V value)

Creates a map with one element.

Type Parameters:

K - the key type

V - the value type

Parameters:

key - the key

value - the value

Returns:

the singleton map