func randSet(t *T, c Cmder, count int) (string, map[string]bool) {
key := testutil.RandStr()
fullMap := map[string]bool{}
for i := 0; i < count; i++ {
elem := strconv.Itoa(i)
fullMap[elem] = true
require.Nil(t, c.Cmd("SADD", key, elem).Err)
}
return key, fullMap
}
func randPrefix(t *T, c Cmder, count int) (string, map[string]bool) {
prefix := testutil.RandStr()
fullMap := map[string]bool{}
for i := 0; i < count; i++ {
key := prefix + ":" + strconv.Itoa(i)
fullMap[key] = true
require.Nil(t, c.Cmd("SET", key, "1").Err)
}
return prefix, fullMap
}