/// <summary>
/// Call the Function. Will only work once. Calling this twice will result in a exception
/// </summary>
public TRresult Call()
{
lock (me) {
me = null;
return(a());
}
}
/// <summary>
/// Returns a new Call once Function that can be reset using the returned Action
/// </summary>
public static Tuple <CallOnceFunction <TRresult>, Action> CreateWithReset(Func <TRresult> call)
{
var r = new CallOnceFunction <TRresult>(call);
return(new Tuple <CallOnceFunction <TRresult>, Action>(r, () => r.me = r));
}
/// <summary>
/// Creates a new CallOnceFunction
/// </summary>
/// <param name="call">Function that should only be called once</param>
public CallOnceFunction(Func <TRresult> call)
{
me = this;
a = call;
}