set.nu

# taken from github.com/dandavison/nushell-config

export def 'set difference' [s2: list] {
  # nushell doesn't have a hash table so quadratic time complexity
  let s1 = ($in | sort | uniq)
  let s2 = ($s2 | sort | uniq)
  $s1 | where {|x| not ($x in $s2)}
}

export def 'set intersection' [s2: list] {
  # nushell doesn't have a hash table so quadratic time complexity
  let s1 = ($in | sort | uniq)
  let s2 = ($s2 | sort | uniq)
  $s1 | where {|x| ($x in $s2)}
}