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Feature #11007 » prime_2.diff

ciel (T Yamada), 03/30/2015 07:39 AM

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lib/prime.rb
end
# see +Enumerator+#with_index.
alias with_index each_with_index
def with_index(offset = 0)
return enum_for(:with_index) unless block_given?
# if offset == 0, use each_with_index, which is faster because of C implementation.
return each_with_index(&proc) if offset == 0
each do |prime|
yield prime, offset
offset += 1
end
end
# see +Enumerator+#with_object.
def with_object(obj)
test/test_prime.rb
end
end
def test_enumerator_with_index_with_offset
enum = Prime.each
last = 5-1
enum.with_index(5) do |p,i|
break if i >= 100+5
assert_equal last+1, i
assert_equal PRIMES[i-5], p
last = i
end
end
def test_default_instance_does_not_have_compatibility_methods
assert !Prime.instance.respond_to?(:succ)
assert !Prime.instance.respond_to?(:next)
(2-2/2)