public static class Double2DoubleFunctions.Singleton extends AbstractDouble2DoubleFunction implements Serializable, Cloneable
This class may be useful to implement your own in case you subclass a type-specific function.
Modifier and Type | Method and Description |
---|---|
Object |
clone() |
boolean |
containsKey(double k) |
double |
get(double k)
Returns the value to which the given key is mapped.
|
int |
size()
Returns the intended number of keys in this function, or -1 if no such number exists.
|
clear, containsKey, defaultReturnValue, defaultReturnValue, get, put, put, remove, remove
public boolean containsKey(double k)
containsKey
in interface Double2DoubleFunction
Function.containsKey(Object)
public double get(double k)
Double2DoubleFunction
get
in interface Double2DoubleFunction
k
- the key.Function.get(Object)
public int size()
Function
Most function implementations will have some knowledge of the intended number of keys in their domain. In some cases, however, this might not be possible.