public class EmptyCharacterClass extends java.lang.Object implements CharacterClass
Modifier and Type | Method and Description |
---|---|
static CharacterClass |
getComplement() |
static EmptyCharacterClass |
getInstance() |
IntSet |
getIntSet()
Get the set of matching characters if available.
|
boolean |
isDisjoint(CharacterClass other)
Ask whether this character class is known to be disjoint with another character class
(that is, the two classes have no characters in common).
|
boolean |
test(int value)
Test whether a particular codepoint is a member of the character class
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
union
public static EmptyCharacterClass getInstance()
public static CharacterClass getComplement()
public boolean test(int value)
CharacterClass
test
in interface java.util.function.IntPredicate
test
in interface CharacterClass
test
in interface IntPredicateProxy
value
- the codepoint to be testedpublic boolean isDisjoint(CharacterClass other)
CharacterClass
isDisjoint
in interface CharacterClass
other
- the other character classpublic IntSet getIntSet()
CharacterClass
getIntSet
in interface CharacterClass
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