What happens if the target of #each is modified?
Test code:
i = 0
arr = [0]
arr.each { |e|
if i < 10
arr << i+1
end
i+=1
}
puts arr
Result:
0
1
2
3
4
5
6
7
8
9
10
Conclusion:
#each probably remembers the position in the array. It will cover the newly appended elements.
