rand.Seed has been deprecated since Go 1.20 and an alternative has been available since Go 1.0: As of Go 1.20 there is no reason to call Seed with a random value. Programs that call Seed with a known value to get a specific sequence of results should use New(NewSource(seed)) to obtain a local random generator. (SA1019)

this value of worlds is never used (SA4006)

this comparison is never true; the lhs of the comparison has been assigned a concretely typed value (SA4023)

should use make([]string, 0) instead (S1019)

"io/ioutil" has been deprecated since Go 1.19: As of Go 1.16, the same functionality is now provided by package [io] or package [os], and those implementations should be preferred in new code. See the specific function documentation for details. (SA1019)

should use for range instead of for { select {} } (S1000)

should use for range instead of for { select {} } (S1000)

rand.Seed has been deprecated since Go 1.20 and an alternative has been available since Go 1.0: As of Go 1.20 there is no reason to call Seed with a random value. Programs that call Seed with a known value to get a specific sequence of results should use New(NewSource(seed)) to obtain a local random generator. (SA1019)

"https://a b.com/" is not a valid URL: parse "https://a b.com/": invalid character " " in host name (SA1007)

should use for range instead of for { select {} } (S1000)