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Contents?: true
Size: 706 Bytes
Versions: 12
Compression:
Stored size: 706 Bytes
Contents
module Hash::Compact
def compact
dup.compact!
end
def compact!
empty = []
each { |k,v| empty << k if v.nil? }
empty.each do |k| delete(k) end
self
end
end
class Hash
include Compact
end
module Hash::Compact::Etest
def test_compact_no
h = { 1 => 2 }
assert_equal(h.compact, h)
assert_not_equal(h.compact.object_id, h.object_id)
assert_equal(h.compact!.object_id, h.object_id)
assert_equal(h.compact!, h.compact)
end
def test_compact
h = { 1 => nil }
assert_equal(h.compact, {})
h.compact!
assert_equal(h, {})
end
def test_compact_2
h = { nil => 1 }
assert_equal(h.compact, { nil => 1})
end
end if VEX_TEST == "base"
Version data entries
12 entries across 12 versions & 1 rubygems