it.unimi.dsi.fastutil.bytes
Class Byte2DoubleFunctions.Singleton
java.lang.Object
it.unimi.dsi.fastutil.bytes.AbstractByte2DoubleFunction
it.unimi.dsi.fastutil.bytes.Byte2DoubleFunctions.Singleton
- All Implemented Interfaces:
- Byte2DoubleFunction, Function<Byte,Double>, Serializable, Cloneable
- Direct Known Subclasses:
- Byte2DoubleMaps.Singleton
- Enclosing class:
- Byte2DoubleFunctions
public static class Byte2DoubleFunctions.Singleton
- extends AbstractByte2DoubleFunction
- implements Serializable, Cloneable
An immutable class representing a type-specific singleton function.
This class may be useful to implement your own in case you subclass
a type-specific function.
- See Also:
- Serialized Form
Method Summary |
Object |
clone()
|
boolean |
containsKey(byte k)
|
double |
get(byte 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. |
serialVersionUID
public static final long serialVersionUID
- See Also:
- Constant Field Values
key
protected final byte key
value
protected final double value
Byte2DoubleFunctions.Singleton
protected Byte2DoubleFunctions.Singleton(byte key,
double value)
containsKey
public boolean containsKey(byte k)
- Specified by:
containsKey
in interface Byte2DoubleFunction
- See Also:
Function.containsKey(Object)
get
public double get(byte k)
- Description copied from interface:
Byte2DoubleFunction
- Returns the value to which the given key is mapped.
- Specified by:
get
in interface Byte2DoubleFunction
- Parameters:
k
- the key.
- Returns:
- the corresponding value, or the default return value if no value was present for the given key.
- See Also:
Function.get(Object)
size
public int size()
- Description copied from interface:
Function
- Returns the intended number of keys in this function, or -1 if no such number exists.
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.
- Specified by:
size
in interface Function<Byte,Double>
- Returns:
- the intended number of keys in this function, or -1 if that number is not available.
clone
public Object clone()
- Overrides:
clone
in class Object
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