anchor.diff:  %
   % <h5>Examples</h5>
   % ```
  -% 1> grisp_led:flash(1, [{300, green}, {500, yellow}, {700, red}, {infinity, off}]).
  +% 1> grisp_led:pattern(1, [{300, green}, {500, yellow}, {700, red}, {infinity, off}]).
   % ok
   % 2> Rainbow = [{300, {R, G, B}} || R <- [0,1], G <- [0,1], B <- [0,1], {R, G, B} =/= {0, 0, 0}].
   % [{300,{0,0,1}},
  
positive.code: %
  % <h5>Examples</h5>
  % ```
  % 1> grisp_led:color(1, red)
  % ok
  % 2> grisp_led:color(2, {0, 1, 0})
  % ok
  % '''
  -spec color(position(), color()) -> ok.
  
negative.code: %  {300,{1,0,1}},
  %  {300,{1,1,0}},
  %  {300,{1,1,1}}]
  % 3> grisp_led:pattern(2, Rainbow).
  % ok
  % '''
  %
  