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cond |
sub |
pod |
time |
code |
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1
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package Array::Set; |
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3
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our $AUTHORITY = 'cpan:PERLANCAR'; # AUTHORITY |
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4
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our $DATE = '2021-05-14'; # DATE |
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5
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our $DIST = 'Array-Set'; # DIST |
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6
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our $VERSION = '0.062'; # VERSION |
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7
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8
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1
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1
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56868
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use 5.010001; |
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1
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22
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9
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1
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1
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4
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use strict; |
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1
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2
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1
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35
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10
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1
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1
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5
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use warnings; |
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1
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1
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1
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28
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11
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12
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1
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1
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13
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use Exporter qw(import); |
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1
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8
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1
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1648
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13
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our @EXPORT_OK = qw(set_diff set_symdiff set_union set_intersect); |
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14
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15
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sub _doit { |
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12
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12
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my $op = shift; |
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17
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18
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12
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14
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my $opts; |
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19
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12
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50
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34
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if (ref($_[0]) eq 'HASH') { |
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20
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12
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15
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$opts = shift; |
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21
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} else { |
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22
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0
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0
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$opts = {}; |
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23
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} |
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24
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25
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12
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463
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require Tie::IxHash; |
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26
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12
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3768
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tie my(%res), 'Tie::IxHash'; |
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27
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28
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12
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147
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my $ic = $opts->{ignore_case}; |
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29
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12
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15
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my $ib = $opts->{ignore_blanks}; |
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30
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12
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15
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my $ar = $opts->{allow_refs}; |
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31
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12
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33
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33
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my $ign = $ic || $ib || $ar; |
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32
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33
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12
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100
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23
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if ($ar) { |
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34
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4
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820
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require Storable; |
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35
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} |
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36
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37
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12
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3683
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my $i = 0; |
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38
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SET: |
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39
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12
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26
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for my $i (1..@_) { |
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40
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24
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36
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my $set = $_[$i-1]; |
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41
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42
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24
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100
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54
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if ($op eq 'union') { |
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100
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100
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50
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43
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44
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6
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50
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8
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if ($ign) { |
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45
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6
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9
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for (@$set) { |
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46
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47
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# determine key (this code is copy-pasted) |
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48
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15
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100
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116
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my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
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100
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100
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49
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15
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100
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29
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if ($k eq 'R') { |
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100
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50
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3
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8
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$k .= Storable::freeze($_); |
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51
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} elsif (defined $_) { |
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52
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11
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100
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18
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$k .= $ic ? lc($_) : $_; |
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53
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11
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100
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20
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$k =~ s/\s+//g if $ib; |
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54
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} |
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55
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56
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15
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100
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126
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$res{$k} = $_ unless exists $res{$k}; |
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57
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} |
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58
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# return result |
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59
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6
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100
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103
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if ($i == @_) { |
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60
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3
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8
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return [values %res]; |
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61
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} |
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62
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} else { |
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63
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0
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0
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for (@$set) { $res{$_}++ } |
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0
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0
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64
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# return result |
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65
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0
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0
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0
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if ($i == @_) { |
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66
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0
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0
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return [keys %res]; |
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67
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} |
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68
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} |
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69
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70
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} elsif ($op eq 'intersect') { |
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71
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72
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6
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50
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9
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if ($ign) { |
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73
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6
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100
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12
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if ($i == 1) { |
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74
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3
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4
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for (@$set) { |
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75
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76
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# determine key (this code is copy-pasted) |
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77
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8
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50
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114
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my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
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100
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100
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78
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8
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100
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13
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if ($k eq 'R') { |
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50
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79
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2
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5
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$k .= Storable::freeze($_); |
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80
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} elsif (defined $_) { |
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81
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6
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100
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13
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$k .= $ic ? lc($_) : $_; |
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82
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6
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100
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17
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$k =~ s/\s+//g if $ib; |
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83
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} |
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84
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85
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8
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50
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100
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$res{$k} = [1,$_] unless exists $res{$k}; |
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86
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} |
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87
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} else { |
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88
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3
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4
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for (@$set) { |
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89
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90
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# determine key (this code is copy-pasted) |
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91
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7
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50
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32
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my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
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100
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100
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92
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7
|
100
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14
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if ($k eq 'R') { |
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|
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50
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|
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93
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1
|
|
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|
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3
|
$k .= Storable::freeze($_); |
|
94
|
|
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} elsif (defined $_) { |
|
95
|
6
|
100
|
|
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|
11
|
$k .= $ic ? lc($_) : $_; |
|
96
|
6
|
100
|
|
|
|
12
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$k =~ s/\s+//g if $ib; |
|
97
|
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} |
|
98
|
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99
|
7
|
100
|
66
|
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|
56
|
if ($res{$k} && $res{$k}[0] == $i-1) { |
|
100
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4
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52
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$res{$k}[0]++; |
|
101
|
|
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|
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} |
|
102
|
|
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|
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} |
|
103
|
|
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} |
|
104
|
|
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|
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# return result |
|
105
|
6
|
100
|
|
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|
67
|
if ($i == @_) { |
|
106
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4
|
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|
|
25
|
return [map {$res{$_}[1]} |
|
107
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3
|
|
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8
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grep {$res{$_}[0] == $i} keys %res]; |
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8
|
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85
|
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|
108
|
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} |
|
109
|
|
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} else { |
|
110
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0
|
0
|
|
|
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0
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if ($i == 1) { |
|
111
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0
|
|
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|
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0
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for (@$set) { $res{$_} = 1 } |
|
|
0
|
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|
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0
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|
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112
|
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} else { |
|
113
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0
|
|
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|
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0
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for (@$set) { |
|
114
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0
|
0
|
0
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|
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0
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if ($res{$_} && $res{$_} == $i-1) { |
|
115
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0
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0
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$res{$_}++; |
|
116
|
|
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|
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} |
|
117
|
|
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|
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} |
|
118
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|
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} |
|
119
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|
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|
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# return result |
|
120
|
0
|
0
|
|
|
|
0
|
if ($i == @_) { |
|
121
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0
|
|
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|
|
0
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return [grep {$res{$_} == $i} keys %res]; |
|
|
0
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0
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|
|
122
|
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} |
|
123
|
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} |
|
124
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125
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} elsif ($op eq 'diff') { |
|
126
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|
127
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6
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50
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8
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if ($ign) { |
|
128
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6
|
100
|
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|
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12
|
if ($i == 1) { |
|
129
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3
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6
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for (@$set) { |
|
130
|
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131
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# determine key (this code is copy-pasted) |
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132
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8
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50
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114
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my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
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|
100
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|
100
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133
|
8
|
100
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|
21
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if ($k eq 'R') { |
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50
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134
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2
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|
5
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$k .= Storable::freeze($_); |
|
135
|
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} elsif (defined $_) { |
|
136
|
6
|
100
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|
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|
9
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$k .= $ic ? lc($_) : $_; |
|
137
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6
|
100
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|
29
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$k =~ s/\s+//g if $ib; |
|
138
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} |
|
139
|
|
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|
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|
|
140
|
8
|
50
|
|
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|
125
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$res{$k} = $_ unless exists $res{$k}; |
|
141
|
|
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|
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|
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} |
|
142
|
|
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|
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} else { |
|
143
|
3
|
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|
5
|
for (@$set) { |
|
144
|
|
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|
|
145
|
|
|
|
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|
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# determine key (this code is copy-pasted) |
|
146
|
7
|
50
|
|
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|
76
|
my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
|
|
|
100
|
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|
100
|
|
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147
|
7
|
100
|
|
|
|
15
|
if ($k eq 'R') { |
|
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|
50
|
|
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|
148
|
1
|
|
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|
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3
|
$k .= Storable::freeze($_); |
|
149
|
|
|
|
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|
|
} elsif (defined $_) { |
|
150
|
6
|
100
|
|
|
|
11
|
$k .= $ic ? lc($_) : $_; |
|
151
|
6
|
100
|
|
|
|
16
|
$k =~ s/\s+//g if $ib; |
|
152
|
|
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|
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} |
|
153
|
|
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154
|
7
|
|
|
|
|
42
|
delete $res{$k}; |
|
155
|
|
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|
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|
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} |
|
156
|
|
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|
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|
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} |
|
157
|
|
|
|
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|
|
# return result |
|
158
|
6
|
100
|
|
|
|
82
|
if ($i == @_) { |
|
159
|
3
|
|
|
|
|
9
|
return [values %res]; |
|
160
|
|
|
|
|
|
|
} |
|
161
|
|
|
|
|
|
|
} else { |
|
162
|
0
|
0
|
|
|
|
0
|
if ($i == 1) { |
|
163
|
0
|
|
|
|
|
0
|
for (@$set) { $res{$_}++ } |
|
|
0
|
|
|
|
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0
|
|
|
164
|
|
|
|
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|
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} else { |
|
165
|
0
|
|
|
|
|
0
|
for (@$set) { |
|
166
|
0
|
|
|
|
|
0
|
delete $res{$_}; |
|
167
|
|
|
|
|
|
|
} |
|
168
|
|
|
|
|
|
|
} |
|
169
|
|
|
|
|
|
|
# return result |
|
170
|
0
|
0
|
|
|
|
0
|
if ($i == @_) { |
|
171
|
0
|
|
|
|
|
0
|
return [keys %res]; |
|
172
|
|
|
|
|
|
|
} |
|
173
|
|
|
|
|
|
|
} |
|
174
|
|
|
|
|
|
|
|
|
175
|
|
|
|
|
|
|
} elsif ($op eq 'symdiff') { |
|
176
|
|
|
|
|
|
|
|
|
177
|
6
|
50
|
|
|
|
9
|
if ($ign) { |
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178
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6
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100
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|
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12
|
if ($i == 1) { |
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179
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3
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7
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for (@$set) { |
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180
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181
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# determine key (this code is copy-pasted) |
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182
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8
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50
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|
98
|
my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
|
|
|
100
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100
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183
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8
|
100
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|
16
|
if ($k eq 'R') { |
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50
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184
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2
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5
|
$k .= Storable::freeze($_); |
|
185
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|
|
} elsif (defined $_) { |
|
186
|
6
|
100
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13
|
$k .= $ic ? lc($_) : $_; |
|
187
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6
|
100
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|
16
|
$k =~ s/\s+//g if $ib; |
|
188
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|
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} |
|
189
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190
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8
|
50
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|
103
|
$res{$k} = [1,$_] unless exists $res{$k}; |
|
191
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} |
|
192
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|
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} else { |
|
193
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3
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4
|
for (@$set) { |
|
194
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195
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|
|
# determine key (this code is copy-pasted) |
|
196
|
7
|
50
|
|
|
|
40
|
my $k = $ar ? (ref $_ ? "R" : defined($_) ? "S":"U") : ""; # R=ref/undef, D=defined scalar, U=undef |
|
|
|
100
|
|
|
|
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|
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|
|
100
|
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|
|
197
|
7
|
100
|
|
|
|
14
|
if ($k eq 'R') { |
|
|
|
50
|
|
|
|
|
|
|
198
|
1
|
|
|
|
|
4
|
$k .= Storable::freeze($_); |
|
199
|
|
|
|
|
|
|
} elsif (defined $_) { |
|
200
|
6
|
100
|
|
|
|
8
|
$k .= $ic ? lc($_) : $_; |
|
201
|
6
|
100
|
|
|
|
12
|
$k =~ s/\s+//g if $ib; |
|
202
|
|
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|
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|
|
} |
|
203
|
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|
204
|
7
|
100
|
|
|
|
66
|
if (!$res{$k}) { |
|
|
|
50
|
|
|
|
|
|
|
205
|
3
|
|
|
|
|
20
|
$res{$k} = [1, $_]; |
|
206
|
|
|
|
|
|
|
} elsif ($res{$k}[0] <= 2) { |
|
207
|
4
|
|
|
|
|
47
|
$res{$k}[0]++; |
|
208
|
|
|
|
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|
|
} |
|
209
|
|
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|
|
|
|
} |
|
210
|
|
|
|
|
|
|
} |
|
211
|
|
|
|
|
|
|
# return result |
|
212
|
6
|
100
|
|
|
|
98
|
if ($i == @_) { |
|
213
|
7
|
|
|
|
|
40
|
return [map {$res{$_}[1]} |
|
214
|
3
|
|
|
|
|
7
|
grep {$res{$_}[0] == 1} keys %res]; |
|
|
11
|
|
|
|
|
121
|
|
|
215
|
|
|
|
|
|
|
} |
|
216
|
|
|
|
|
|
|
} else { |
|
217
|
0
|
0
|
|
|
|
0
|
if ($i == 1) { |
|
218
|
0
|
|
|
|
|
0
|
for (@$set) { $res{$_} = 1 } |
|
|
0
|
|
|
|
|
0
|
|
|
219
|
|
|
|
|
|
|
} else { |
|
220
|
0
|
|
|
|
|
0
|
for (@$set) { |
|
221
|
0
|
0
|
0
|
|
|
0
|
if (!$res{$_} || $res{$_} <= 2) { |
|
222
|
0
|
|
|
|
|
0
|
$res{$_}++; |
|
223
|
|
|
|
|
|
|
} |
|
224
|
|
|
|
|
|
|
} |
|
225
|
|
|
|
|
|
|
} |
|
226
|
|
|
|
|
|
|
# return result |
|
227
|
0
|
0
|
|
|
|
0
|
if ($i == @_) { |
|
228
|
0
|
|
|
|
|
0
|
return [grep {$res{$_} == 1} keys %res]; |
|
|
0
|
|
|
|
|
0
|
|
|
229
|
|
|
|
|
|
|
} |
|
230
|
|
|
|
|
|
|
} |
|
231
|
|
|
|
|
|
|
|
|
232
|
|
|
|
|
|
|
} |
|
233
|
|
|
|
|
|
|
|
|
234
|
|
|
|
|
|
|
} # for set |
|
235
|
|
|
|
|
|
|
|
|
236
|
|
|
|
|
|
|
# caller does not specify any sets |
|
237
|
0
|
|
|
|
|
0
|
return []; |
|
238
|
|
|
|
|
|
|
} |
|
239
|
|
|
|
|
|
|
|
|
240
|
|
|
|
|
|
|
sub set_diff { |
|
241
|
6
|
100
|
|
6
|
1
|
2205
|
my $opts = ref($_[0]) eq 'HASH' ? shift : {}; |
|
242
|
6
|
100
|
100
|
|
|
30
|
if ($opts->{ignore_case} || $opts->{ignore_blanks} || $opts->{allow_refs}) { |
|
|
|
|
66
|
|
|
|
|
|
243
|
3
|
|
|
|
|
10
|
_doit('diff', $opts, @_); |
|
244
|
|
|
|
|
|
|
} else { |
|
245
|
|
|
|
|
|
|
# fast version, without ib/ic/ar |
|
246
|
3
|
|
|
|
|
5
|
my $set1 = shift; |
|
247
|
3
|
|
|
|
|
4
|
my $res = $set1; |
|
248
|
3
|
|
|
|
|
7
|
while (@_) { |
|
249
|
3
|
|
|
|
|
4
|
my %set2 = map { $_=>1 } @{ shift @_ }; |
|
|
11
|
|
|
|
|
20
|
|
|
|
3
|
|
|
|
|
5
|
|
|
250
|
3
|
|
|
|
|
5
|
$res = []; |
|
251
|
3
|
|
|
|
|
6
|
for my $el (@$set1) { |
|
252
|
10
|
100
|
|
|
|
20
|
push @$res, $el unless $set2{$el}; |
|
253
|
|
|
|
|
|
|
} |
|
254
|
3
|
|
|
|
|
7
|
$set1 = $res; |
|
255
|
|
|
|
|
|
|
} |
|
256
|
3
|
|
|
|
|
13
|
$res; |
|
257
|
|
|
|
|
|
|
} |
|
258
|
|
|
|
|
|
|
} |
|
259
|
|
|
|
|
|
|
|
|
260
|
|
|
|
|
|
|
sub set_symdiff { |
|
261
|
6
|
100
|
|
6
|
1
|
3679
|
my $opts = ref($_[0]) eq 'HASH' ? shift : {}; |
|
262
|
6
|
100
|
100
|
|
|
30
|
if ($opts->{ignore_case} || $opts->{ignore_blanks} || $opts->{allow_refs}) { |
|
|
|
|
66
|
|
|
|
|
|
263
|
3
|
|
|
|
|
7
|
_doit('symdiff', $opts, @_); |
|
264
|
|
|
|
|
|
|
} else { |
|
265
|
|
|
|
|
|
|
# fast version, without ib/ic/ar |
|
266
|
3
|
|
|
|
|
4
|
my $set1 = shift; |
|
267
|
3
|
|
|
|
|
5
|
my $res = $set1; |
|
268
|
3
|
|
|
|
|
4
|
my %set1; |
|
269
|
|
|
|
|
|
|
my %set2; |
|
270
|
3
|
|
|
|
|
6
|
while (@_) { |
|
271
|
3
|
|
|
|
|
9
|
my $set2 = shift; |
|
272
|
3
|
|
|
|
|
14
|
$set2{$_} = 1 for @$set2; |
|
273
|
3
|
|
|
|
|
4
|
$res = []; |
|
274
|
3
|
|
|
|
|
5
|
for my $el (@$set1) { |
|
275
|
10
|
100
|
|
|
|
18
|
push @$res, $el unless $set2{$el}; |
|
276
|
|
|
|
|
|
|
} |
|
277
|
3
|
|
|
|
|
10
|
$set1{$_} = 1 for @$set1; |
|
278
|
3
|
|
|
|
|
6
|
for my $el (@$set2) { |
|
279
|
12
|
100
|
|
|
|
19
|
push @$res, $el unless $set1{$el}; |
|
280
|
|
|
|
|
|
|
} |
|
281
|
3
|
|
|
|
|
7
|
$set1 = $res; |
|
282
|
|
|
|
|
|
|
} |
|
283
|
3
|
|
|
|
|
12
|
$res; |
|
284
|
|
|
|
|
|
|
} |
|
285
|
|
|
|
|
|
|
} |
|
286
|
|
|
|
|
|
|
|
|
287
|
|
|
|
|
|
|
sub set_union { |
|
288
|
6
|
100
|
|
6
|
1
|
3506
|
my $opts = ref($_[0]) eq 'HASH' ? shift : {}; |
|
289
|
6
|
100
|
100
|
|
|
61
|
if ($opts->{ignore_case} || $opts->{ignore_blanks} || $opts->{allow_refs}) { |
|
|
|
|
66
|
|
|
|
|
|
290
|
3
|
|
|
|
|
8
|
_doit('union', $opts, @_); |
|
291
|
|
|
|
|
|
|
} else { |
|
292
|
|
|
|
|
|
|
# fast version, without ib/ic/ar |
|
293
|
3
|
|
|
|
|
5
|
my %mem; |
|
294
|
3
|
|
|
|
|
5
|
my $res = []; |
|
295
|
3
|
|
|
|
|
6
|
while (@_) { |
|
296
|
6
|
|
|
|
|
7
|
for my $el (@{ shift @_ }) { |
|
|
6
|
|
|
|
|
10
|
|
|
297
|
21
|
100
|
|
|
|
47
|
push @$res, $el unless $mem{$el}++; |
|
298
|
|
|
|
|
|
|
} |
|
299
|
|
|
|
|
|
|
} |
|
300
|
3
|
|
|
|
|
13
|
$res; |
|
301
|
|
|
|
|
|
|
} |
|
302
|
|
|
|
|
|
|
} |
|
303
|
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
sub set_intersect { |
|
305
|
6
|
100
|
|
6
|
1
|
3320
|
my $opts = ref($_[0]) eq 'HASH' ? shift : {}; |
|
306
|
6
|
100
|
100
|
|
|
28
|
if ($opts->{ignore_case} || $opts->{ignore_blanks} || $opts->{allow_refs}) { |
|
|
|
|
66
|
|
|
|
|
|
307
|
3
|
|
|
|
|
7
|
_doit('intersect', $opts, @_); |
|
308
|
|
|
|
|
|
|
} else { |
|
309
|
|
|
|
|
|
|
# fast version, without ib/ic/ar |
|
310
|
3
|
|
|
|
|
4
|
my $set1 = shift; |
|
311
|
3
|
|
|
|
|
4
|
my $res = $set1; |
|
312
|
3
|
|
|
|
|
6
|
while (@_) { |
|
313
|
3
|
|
|
|
|
4
|
my %set2 = map { $_=>1 } @{ shift @_ }; |
|
|
12
|
|
|
|
|
22
|
|
|
|
3
|
|
|
|
|
6
|
|
|
314
|
3
|
|
|
|
|
5
|
$res = []; |
|
315
|
3
|
|
|
|
|
5
|
for my $el (@$set1) { |
|
316
|
11
|
100
|
|
|
|
21
|
push @$res, $el if $set2{$el}; |
|
317
|
|
|
|
|
|
|
} |
|
318
|
3
|
|
|
|
|
7
|
$set1 = $res; |
|
319
|
|
|
|
|
|
|
} |
|
320
|
3
|
|
|
|
|
12
|
$res; |
|
321
|
|
|
|
|
|
|
} |
|
322
|
|
|
|
|
|
|
} |
|
323
|
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
1; |
|
325
|
|
|
|
|
|
|
# ABSTRACT: Perform set operations on arrays |
|
326
|
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
__END__ |