public override CharClass Union(CharClass other)
{
var that = other as CharRangeCharClass;
if (that == null)
{
return(base.Union(other));
}
return(new CharRangeCharClass(CharRangeUtility.TryMerge(_charRanges.Concat(that._charRanges))));
}
public override CharClass Plus(char ch)
{
return(new CharRangeCharClass(CharRangeUtility.TryMerge(_charRanges.Concat(new[] { CharRange.Exactly(ch) }))));
}