public sealed override LNode Select(Func <LNode, Maybe <LNode> > selector, ReplaceOpt options = ReplaceOpt.ProcessAttrs)
{
var node = (options & ReplaceOpt.ProcessAttrs) != 0 ? WithAttrs(selector) : this;
LNode target = node.Target, newTarget = selector(node.Target).Or(EmptySplice);
if (newTarget != null && newTarget != target)
{
return(node.With(newTarget, Args.WhereSelect(selector)));
}
else
{
return(node.WithArgs(selector));
}
}
public override LNode SelectMany(Func <LNode, IReadOnlyList <LNode> > selector, ReplaceOpt options = ReplaceOpt.ProcessAttrs)
{
var node = (options & ReplaceOpt.ProcessAttrs) != 0 ? WithAttrs(selector) : this;
LNode target = node.Target, newTarget = LNode.List(selector(node.Target)).AsLNode(CodeSymbols.Splice);
LNodeList newArgs = Args.SmartSelectMany(selector);
if (newTarget != null && newTarget != target)
{
return(node.With(newTarget, newArgs));
}
else
{
return(node.WithArgs(newArgs));
}
}
public sealed override LNode Select(Func<LNode, Maybe<LNode>> selector, ReplaceOpt options = ReplaceOpt.ProcessAttrs)
{
var node = (options & ReplaceOpt.ProcessAttrs) != 0 ? WithAttrs(selector) : this;
LNode target = node.Target, newTarget = selector(node.Target).Or(EmptySplice);
if (newTarget != null && newTarget != target)
return node.With(newTarget, Args.WhereSelect(selector));
else
return node.WithArgs(selector);
}
