public static IEnumerable <string> GetCharsetNames(this CharsetNode that)
{
return(that.Visit(new CharsetHandleVisitor <string>(), handle => {
if (handle is RangeSetHandle.Named named)
{
return named.Name.Yield();
}
return Enumerable.Empty <string>();
}));
}
public CharsetDifference(CharsetNode leftNode, CharsetNode rightNode) : base(leftNode, rightNode)
{
}
public static RangeSet <TChar> Compute <TChar>(this CharsetNode that, IRangeSetProvider <TChar> provider)
where TChar : IComparable <TChar>
{
return(that.Visit(new CharsetComputer <TChar>(), provider));
}
public CharsetIntersection(CharsetNode leftNode, CharsetNode rightNode) : base(leftNode, rightNode)
{
}
protected CharsetOperation(CharsetNode leftNode, CharsetNode rightNode)
{
this.LeftNode = leftNode;
this.RightNode = rightNode;
}
public CharsetSubtract(CharsetNode leftNode, CharsetNode rightNode) : base(leftNode, rightNode)
{
}
public CharsetUnion(CharsetNode leftNode, CharsetNode rightNode) : base(leftNode, rightNode)
{
}
public CharsetNegate(CharsetNode node)
{
Debug.Assert(node != null, nameof(node) + " != null");
this.Node = node;
}
