Is the Interface Too Messy?

• Challenge: Some might say that List::Compare::Functional's interface is not very self-documenting.

      use List::Compare::Functional qw(
          get_complement
          is_LsubsetR
          are_members_which
      );
  
      @complement = get_complement(
          '-u',
          [ \@Al, \@Bob, \@Carmen, \@Don, \@Ed ],
          [3],
      );
  
      $LR = is_LsubsetR(
          [ \@Al, \@Bob, \@Carmen, \@Don, \@Ed ],
          [2,3],
      );
      
      $memb_hash_ref = are_members_which(
          [ \@Al, \@Bob, \@Carmen, \@Don, \@Ed ],
          [ qw| abel baker fargo hilton zebra | ],
      );

• You have to get the order of the arguments just right -- and can you tell what each array reference means?