protected override ParsedSyntax Syntax(ParsedSyntax left, IToken token, ParsedSyntax right)
{
Tracer.Assert(left != null);
Tracer.Assert(right != null);
return left.Associative(this, token, right);
}
protected override ParsedSyntax Syntax(ParsedSyntax left, IToken token, ParsedSyntax right)
{
if(left == null)
return right ?? TrueSyntax.Instance;
if(right == null)
return left;
return left.Associative(this, token, right);
}
