Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge branch 'master' of git@github.com:rakudo/rakudo
- Loading branch information
Showing
2 changed files
with
159 additions
and
0 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| class Set does Associative { | ||
| # We could use a hash here, but right now hash keys coerce to Str, | ||
| # so instead let's use an array and &uniq for the time being. | ||
| has @!elems; | ||
|
|
||
| multi method new(@elems) { | ||
| self.bless(self.CREATE, :elems( uniq @elems )); | ||
| } | ||
| multi method new(*@elems) { | ||
| self.bless(self.CREATE, :elems( uniq @elems )); | ||
| } | ||
| multi method new(%elems) { | ||
| self.bless(self.CREATE, :elems( %elems.keys )); | ||
| } | ||
| multi method new(Set $set) { | ||
| $set; | ||
| } | ||
|
|
||
| sub contains(@array, $value) { | ||
| for @array { | ||
| if $value === $_ { | ||
| return True; | ||
| } | ||
| } | ||
| return False; | ||
| } | ||
|
|
||
| method keys() { @!elems } | ||
| method values() { True xx +@!elems } | ||
| method elems() { +@!elems } | ||
| method exists($elem) { contains(@!elems, $elem) } | ||
|
|
||
| method Num() { +self.elems } | ||
| method Bool() { ?self.elems } | ||
|
|
||
| multi method union(@otherset) { | ||
| self.new((@!elems, @otherset)); | ||
| } | ||
| multi method union(%otherset) { | ||
| self.union(%otherset.keys); | ||
| } | ||
|
|
||
| multi method intersection(@otherset) { | ||
| self.new(grep { contains(@otherset, $_) }, @!elems); | ||
| } | ||
| multi method intersection(%otherset) { | ||
| self.intersection(%otherset.keys); | ||
| } | ||
|
|
||
| multi method difference(%otherset) { | ||
| self.difference(%otherset.keys); | ||
| } | ||
| multi method difference(@otherset) { | ||
| self.new(grep { !contains(@otherset, $_) }, @!elems); | ||
| } | ||
|
|
||
| multi method subsetorequal(@otherset) { | ||
| ?contains(@otherset, all(@!elems)); | ||
| } | ||
| multi method subsetorequal(%otherset) { | ||
| self.subsetorequal(%otherset.keys); | ||
| } | ||
|
|
||
| multi method supersetorequal(@otherset) { | ||
| ?contains(@!elems, all(@otherset)); | ||
| } | ||
| multi method supersetorequal(%otherset) { | ||
| self.supersetorequal(%otherset.keys); | ||
| } | ||
|
|
||
| method equal($otherset) { | ||
| +self == +$otherset && self.subsetorequal($otherset); | ||
| } | ||
|
|
||
| method subset($otherset) { | ||
| +self < +Set.new($otherset) && self.subsetorequal($otherset); | ||
| } | ||
|
|
||
| method superset($otherset) { | ||
| +self > +Set.new($otherset) && self.supersetorequal($otherset); | ||
| } | ||
|
|
||
| method perl() { | ||
| 'Set.new(' ~ join(', ', map { .perl }, @!elems) ~ ')'; | ||
| } | ||
| } | ||
|
|
||
| multi sub infix:<∪>(Set $a, %b) { $a.union(%b) } | ||
| multi sub infix:<∪>( %a, %b) { Set.new( %a).union(%b) } | ||
| multi sub infix:<∪>( @a, %b) { Set.new(|@a).union(%b) } | ||
| multi sub infix:<∪>( @a, @b) { Set.new(|@a).union(@b) } | ||
|
|
||
| multi sub infix:<∩>(Set $a, %b) { $a.intersection(%b) } | ||
| multi sub infix:<∩>( %a, %b) { Set.new( %a).intersection(%b) } | ||
| multi sub infix:<∩>( @a, %b) { Set.new(|@a).intersection(%b) } | ||
| multi sub infix:<∩>( @a, @b) { Set.new(|@a).intersection(@b) } | ||
|
|
||
| multi sub infix:<∖>(Set $a, %b) { $a.difference(%b) } | ||
| multi sub infix:<∖>( %a, %b) { Set.new( %a).difference(%b) } | ||
| multi sub infix:<∖>( @a, %b) { Set.new(|@a).difference(%b) } | ||
| multi sub infix:<∖>( @a, @b) { Set.new(|@a).difference(@b) } | ||
|
|
||
| multi sub infix:<⊆>(Set $a, %b) { $a.subsetorequal(%b) } | ||
| multi sub infix:<⊆>( %a, %b) { Set.new( %a).subsetorequal(%b) } | ||
| multi sub infix:<⊆>( @a, %b) { Set.new(|@a).subsetorequal(%b) } | ||
| multi sub infix:<⊆>( @a, @b) { Set.new(|@a).subsetorequal(@b) } | ||
|
|
||
| multi sub infix:<⊇>(Set $a, %b) { $a.supersetorequal(%b) } | ||
| multi sub infix:<⊇>( %a, %b) { Set.new( %a).supersetorequal(%b) } | ||
| multi sub infix:<⊇>( @a, %b) { Set.new(|@a).supersetorequal(%b) } | ||
| multi sub infix:<⊇>( @a, @b) { Set.new(|@a).supersetorequal(@b) } | ||
|
|
||
| multi sub infix:<⊂>(Set $a, %b) { $a.subset(%b) } | ||
| multi sub infix:<⊂>( %a, %b) { Set.new( %a).subset(%b) } | ||
| multi sub infix:<⊂>( @a, %b) { Set.new(|@a).subset(%b) } | ||
| multi sub infix:<⊂>( @a, @b) { Set.new(|@a).subset(@b) } | ||
|
|
||
| multi sub infix:<⊃>(Set $a, %b) { $a.superset(%b) } | ||
| multi sub infix:<⊃>( %a, %b) { Set.new( %a).superset(%b) } | ||
| multi sub infix:<⊃>( @a, %b) { Set.new(|@a).superset(%b) } | ||
| multi sub infix:<⊃>( @a, @b) { Set.new(|@a).superset(@b) } | ||
|
|
||
| multi sub infix:<(|)>(Set $a, %b) { $a.union(%b) } | ||
| multi sub infix:<(|)>( %a, %b) { Set.new( %a).union(%b) } | ||
| multi sub infix:<(|)>( @a, %b) { Set.new(|@a).union(%b) } | ||
| multi sub infix:<(|)>( @a, @b) { Set.new(|@a).union(@b) } | ||
|
|
||
| multi sub infix:<(&)>(Set $a, %b) { $a.intersection(%b) } | ||
| multi sub infix:<(&)>( %a, %b) { Set.new( %a).intersection(%b) } | ||
| multi sub infix:<(&)>( @a, %b) { Set.new(|@a).intersection(%b) } | ||
| multi sub infix:<(&)>( @a, @b) { Set.new(|@a).intersection(@b) } | ||
|
|
||
| multi sub infix:<(-)>(Set $a, %b) { $a.difference(%b) } | ||
| multi sub infix:<(-)>( %a, %b) { Set.new( %a).difference(%b) } | ||
| multi sub infix:<(-)>( @a, %b) { Set.new(|@a).difference(%b) } | ||
| multi sub infix:<(-)>( @a, @b) { Set.new(|@a).difference(@b) } | ||
|
|
||
| multi sub infix:<(<=)>(Set $a, %b) { $a.subsetorequal(%b) } | ||
| multi sub infix:<(<=)>( %a, %b) { Set.new( %a).subsetorequal(%b) } | ||
| multi sub infix:<(<=)>( @a, %b) { Set.new(|@a).subsetorequal(%b) } | ||
| multi sub infix:<(<=)>( @a, @b) { Set.new(|@a).subsetorequal(@b) } | ||
|
|
||
| multi sub infix:«(>=)»(Set $a, %b) { $a.supersetorequal(%b) } | ||
| multi sub infix:«(>=)»( %a, %b) { Set.new( %a).supersetorequal(%b) } | ||
| multi sub infix:«(>=)»( @a, %b) { Set.new(|@a).supersetorequal(%b) } | ||
| multi sub infix:«(>=)»( @a, @b) { Set.new(|@a).supersetorequal(@b) } | ||
|
|
||
| multi sub infix:<(<)>(Set $a, %b) { $a.subset(%b) } | ||
| multi sub infix:<(<)>( %a, %b) { Set.new( %a).subset(%b) } | ||
| multi sub infix:<(<)>( @a, %b) { Set.new(|@a).subset(%b) } | ||
| multi sub infix:<(<)>( @a, @b) { Set.new(|@a).subset(@b) } | ||
|
|
||
| multi sub infix:«(>)»(Set $a, %b) { $a.superset(%b) } | ||
| multi sub infix:«(>)»( %a, %b) { Set.new( %a).superset(%b) } | ||
| multi sub infix:«(>)»( @a, %b) { Set.new(|@a).superset(%b) } | ||
| multi sub infix:«(>)»( @a, @b) { Set.new(|@a).superset(@b) } | ||
|
|
||
| # vim: ft=perl6 |