Ruby Language Enumerators Rewinding
Example
Use rewind to restart the enumerator.
ℕ = Enumerator.new do |yielder|
x = 0
loop do
yielder << x
x += 1
end
end
ℕ.next
# => 0
ℕ.next
# => 1
ℕ.next
# => 2
ℕ.rewind
ℕ.next
# => 0
Use rewind to restart the enumerator.
ℕ = Enumerator.new do |yielder|
x = 0
loop do
yielder << x
x += 1
end
end
ℕ.next
# => 0
ℕ.next
# => 1
ℕ.next
# => 2
ℕ.rewind
ℕ.next
# => 0
