/// <summary>
/// Gets the <see cref="PlTerm"/> of the given variable name or throw an ArgumentException.
/// </summary>
/// <param name="name">The name of the variable</param>
/// <returns>The PlTerm (value) of the variable </returns>
/// <exception cref="ArgumentException">Is thrown if the name is not the name of a variable.</exception>
public PlTerm this[string name]
{
get
{
PlQueryVar v = _vars.Find(n1 => n1.Name == name);
if (v == null)
{
throw new ArgumentException("'" + name + "' is not a variable", "name");
}
return(v.Value);
}
}
internal void Add(PlQueryVar var)
{
_vars.Add(var);
}
public void Add(PlQueryVar var)
{
_vars.Add(var);
}
public void Add(PlQueryVar var)
{
_vars.Add(var);
}
