TOO_OLD check if Matlab older than R2020b or as specified by release "r"

returns true for any version for any Matlab older than R2020b purpose is to avoid verLessThan lint warnings.

example: too_old("R2020b")

function old = too_old(r)

try
  old = isMATLABReleaseOlderThan(r);
catch e
  if strcmp(e.identifier, 'MATLAB:UndefinedFunction')
    old = true;
  else
    rethrow(e)
  end
end

end

%!testif 0

Published with MATLAB® R2024b