public S Compute <S>(
Func <Node, IEnumerable <Node> > unfold,
Func <Node, IEnumerable <S>, S> fold,
CancellationToken cancel = default(CancellationToken))
{
var ctok = cancel == default(CancellationToken) ? null : ASTComputationBase.MkControlToken(cancel, Nodes.Node.CancelCheckFreq);
return(new ASTComputation <S>(this.node, unfold, fold, ctok).Compute());
}
public S Compute <S>(
AST <Node> otherTree,
Func <Node, Node, Tuple <IEnumerable <Node>, IEnumerable <Node> > > unfold,
Func <Node, Node, IEnumerable <S>, S> fold,
CancellationToken cancel = default(CancellationToken))
{
var ctok = cancel == default(CancellationToken) ? null : ASTComputationBase.MkControlToken(cancel, Nodes.Node.CancelCheckFreq);
return(new ASTComputation2 <S>(node, otherTree.Node, unfold, fold, ctok).Compute());
}