diff options
| -rw-r--r-- | enumerator.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/enumerator.c b/enumerator.c index ce4a4ee3df..2f9a5589e7 100644 --- a/enumerator.c +++ b/enumerator.c @@ -30,13 +30,14 @@ * The enumerator has with_index. * So ary.map.with_index works as follows. * - * p [1,2,3].map.with_index {|o, i| o+i } #=> [1, 3, 5] + * p %w[foo bar baz].map.with_index {|w,i| "#{i}:#{w}" } + * #=> ["0:foo", "1:bar", "2:baz"] * * An enumerator object can be used as an external iterator. * I.e. Enumerator#next returns the next value of the iterator. * Enumerator#next raises StopIteration at end. * - * e = [1,2,3].each # enumerator object. + * e = [1,2,3].each # returns an enumerator object. * p e.next #=> 1 * p e.next #=> 2 * p e.next #=> 3 |