I think it should work for that though I thought it should work for any function. In the example you suggested the function should only return true for the last 4 bars if all 4 bars were below sma 50 AND bar[5] was > 50. I am trying to check if the condition *starts* being true within the last n bar...

I want to create a function to check if a condition first becomes true anywhere within a history of n bars, and if it does return true for the first bar and return true for every subsequent bar within the range where the condition held true without breaking the series of trues since the first. I und...