/// <summary>
 /// Initializes a new instance of the <see cref="FunctionFoundEventArgs{T}"/> class.
 /// </summary>
 /// <param name="function">The function node.</param>
 /// <param name="ilState">The IL state.</param>
 /// <exception cref="ArgumentNullException">Thrown if any parameter is <c>null</c>.</exception>
 public FunctionFoundEventArgs(FunctionNode function, IILState <T> ilState)
 {
     Function = function.ThrowIfNull(nameof(function));
     ILState  = ilState.ThrowIfNull(nameof(ilState));
 }