anchor.diff:    catch edis_db:run(
       edis_db:process(0),
       #edis_command{cmd = <<"SRANDMEMBER">>, args = [?KEY], group = sets, result_type = bulk}).
  +
  +-spec srem([binary()]) -> number().
  +srem(Keys) ->
  +  catch edis_db:run(
  +    edis_db:process(0),
  +    #edis_command{cmd = <<"SREM">>, args = [?KEY | Keys], group = sets, result_type = number}).
  
positive.code:                   group = sets, result_type = number}),
    sadd(Keys),
    ok;
  init_per_round(_Fun, _Keys) ->
    _ = edis_db:run(
          edis_db:process(0),
  
negative.code:          quit/0, quit_per_testcase/1, quit_per_round/2]).
  -export([sadd/1, scard/1, sdiff/1, sdiffstore/1, sinter_min/1, sinter_n/1, sinter_m/1,
           sinterstore_min/1, sinterstore_n/1, sinterstore_m/1, sismember/1, smembers/1,
           smove/1, spop/1, srandmember/1, srem/1]).
  
  %% ====================================================================
  %% External functions
  