internal NameInfo AddMask(string name, ITypeableElement expression)
{
if (Children.ContainsKey(name))
{
throw new InvalidOperationException("The name " + name + " already exists in the environment.");
}
return(Children[name] = new BoundNameInfo(this, name, expression));
}
public BoundNameInfo(Environment environment, string name, ITypeableElement target)
{
Environment = environment;
Name = name;
Target = target;
}