Check out Dart's iterators

[Jason Orendorff]

On Sun, Feb 10, 2013 at 4:05 PM, Oliver Hunt <oliver at apple.com> wrote:

> It turns out (at least in Python) that while you rarely have to directly
> implement the raw iterator protocol, you seriously almost *never* have to
> directly consume it. So it was the right design decision, in Python at
> least, to optimize the protocol for ease of use on the *implementing* side.
>
>
> Sorry, I don't follow what you're saying here - which implementer? the
> language implementer or the developer?
>

Developer.


> using the python example below your iterator would be:
>
> function myCustomGenerator() {
>     while (line = this.readline())
>        yield line
> }
>

Agreed. The raw iterator protocol only ever matters if you're trying to
avoid the generator overhead or something.

-j
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