public void Should_evaluate_false_for_nil()
{
var inputNode = new NilNode();
var evaluator = new BooleanEvaluator();
var result = evaluator.Eval(inputNode);
result.ShouldBeOfType <FalseNode>();
}
private void PrettyPrintSub(NilNode node)
{
stringWriter.Write("nil");
}
private Expression Build(NilNode node)
{
return(Expression.Constant(null));
}
public void VisitNil(NilNode node)
{
UpdateLine(node);
asm.PushNil();
}
public bool VisitNilNode(NilNode node, CompilationState state)
{
state.Write("nil");
return(true);
}
private Expression Build(NilNode node) => Constant(null);
public void VisitNil(NilNode n)
{
Console.WriteLine($"Nil node: {n}");
}
public NilNodeTests()
{
subject = new NilNode(new SourcePosition(2, 4));
}
public void VisitNil(NilNode node)
{
VisitNilHandler(node);
}