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[ruby/set] Allow Set#intersect? and #disjoint? to accept array argument

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Implements [Feature #17838]

https://github.com/ruby/set/commit/d9b389bafa
This commit is contained in:
Jeremy Evans 2021-06-15 11:08:45 -07:00 committed by Hiroshi SHIBATA
parent 27fb9d272d
commit 571dafdc7f
2 changed files with 13 additions and 2 deletions
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9
lib/set.rb
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@ -474,7 +474,14 @@ class Set
# Set[1, 2, 3].intersect? Set[4, 5] #=> false # Set[1, 2, 3].intersect? Set[4, 5] #=> false
# Set[1, 2, 3].intersect? Set[3, 4] #=> true # Set[1, 2, 3].intersect? Set[3, 4] #=> true
def intersect?(set) def intersect?(set)
set.is_a?(Set) or raise ArgumentError, "value must be a set" case set
when Set
# nothing
when Array
Set.new(set)
else
raise ArgumentError, "value must be a set or array"
end
if size < set.size if size < set.size
any? { |o| set.include?(o) } any? { |o| set.include?(o) }
else else

6
test/test_set.rb
View File

@ -354,13 +354,17 @@ class TC_Set < Test::Unit::TestCase
case expected case expected
when true when true
assert_send([set, :intersect?, other]) assert_send([set, :intersect?, other])
assert_send([set, :intersect?, other.to_a])
assert_send([other, :intersect?, set]) assert_send([other, :intersect?, set])
assert_not_send([set, :disjoint?, other]) assert_not_send([set, :disjoint?, other])
assert_not_send([set, :disjoint?, other.to_a])
assert_not_send([other, :disjoint?, set]) assert_not_send([other, :disjoint?, set])
when false when false
assert_not_send([set, :intersect?, other]) assert_not_send([set, :intersect?, other])
assert_not_send([set, :intersect?, other.to_a])
assert_not_send([other, :intersect?, set]) assert_not_send([other, :intersect?, set])
assert_send([set, :disjoint?, other]) assert_send([set, :disjoint?, other])
assert_send([set, :disjoint?, other.to_a])
assert_send([other, :disjoint?, set]) assert_send([other, :disjoint?, set])
when Class when Class
assert_raise(expected) { assert_raise(expected) {
@ -378,7 +382,7 @@ class TC_Set < Test::Unit::TestCase
set = Set[3,4,5] set = Set[3,4,5]
assert_intersect(ArgumentError, set, 3) assert_intersect(ArgumentError, set, 3)
assert_intersect(ArgumentError, set, [2,4,6]) assert_intersect(true, set, Set[2,4,6])
assert_intersect(true, set, set) assert_intersect(true, set, set)
assert_intersect(true, set, Set[2,4]) assert_intersect(true, set, Set[2,4])