Here's an example of "use in anger", https://gitlab.com/jjg/lcrp/blob/master/lcrp.c#L159 https://gitlab.com/jjg/lcrp/blob/master/lcrp.c#L159 -- the algorithm us

Here's an example of "use in anger", https://gitlab.com/jjg/lcrp/blob/master/lcrp.c#L159 https://gitlab.com/jjg/lcrp/blob/master/lcrp.c#L159 -- the algorithm used needs the array to have at least 3 elements, generally there will be more. It seems useful that there is a mechanism to warn the future me that this limit should be observed.