public CharsRef(char[] chars, int offset, int length) {this.chars = chars;this.offset = offset;this.length = length;assert isValid();}

public CharsRef ( char [ ] chars , int offset , int length ) { this . chars = chars ; this . offset = offset ; this . length = length ; assert isValid ( ) ; }
public CharsRef(char[] chars, int offset, int length){this.chars = chars;this.Offset = offset;this.Length = length;Debug.Assert(IsValid());}
