CharSet

All Known Implementing Classes:

CharSetOfFew, CharSetOfNone, CharSetOfOne, CharToIntMap, FormatCharSet
```
public interface CharSet
```
Interface for sets of characters.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`static java.util.Set<java.lang.Character>`	`applyIgnoreCase(java.util.Set<java.lang.Character> set, boolean ignoreCase)`	Creates a copy of the provided set, or returns the same set.
`boolean`	`containsKey(char ch)`	Returns true if the set contains the specified character.
`static CharSet`	`copyOf(java.util.Set<java.lang.Character> set, boolean ignoreCase)`	Creates a new `CharSet` from the provided set.

- Method Detail
  - containsKey
```
boolean containsKey(char ch)
```
    Returns true if the set contains the specified character.
    
    Parameters:
    
    ch - a character
    
    Returns:
    
    true if the byte is in the set
  - copyOf
```
static CharSet copyOf(java.util.Set<java.lang.Character> set,
                      boolean ignoreCase)
```
    Creates a new CharSet from the provided set.
    
    Parameters:
    
    set - a set of characters
    
    ignoreCase - whether the CharSet shall ignore the case of the characters
    
    Returns:
    
    a new ByteSet instance
  - applyIgnoreCase
```
static java.util.Set<java.lang.Character> applyIgnoreCase(java.util.Set<java.lang.Character> set,
                                                          boolean ignoreCase)
```
    Creates a copy of the provided set, or returns the same set.
    If ignoreCase is set to true, the copy will contain an upper and lower case character for each character in the provided set.
    
    Parameters:
    
    set - a set of characters
    
    ignoreCase - whether the copy of the set shall contain upper and lower case characters from the provided set
    
    Returns:
    
    a new set if ignoreCase is false, otherwise a copy of the set