Ary Borenszweig wrote:
Lionello Lunesu wrote:
"dsimcha" <[email protected]> wrote in message
news:[email protected]...
Ranges are really just a form of iterators that's given sane syntax
(unlike C++)
and relies on this compile-time duck typing instead of virtual
functions and
class-based interfaces (unlike Java and C#).
Actually, C# doesn't care for the interfaces. They are just there to
help you implement a compatible iterator. C#'s foreach will accept any
type with "T GetEnumerator()", where type T in turn implements "bool
MoveNext()" and "S Current { get; }".
Wow. :-)
You always learn something new...
Thanks, Lionello!
Hehe, you're welcome!
L.
By the way, using 'duck typing' (instead of implementing
IEnumerator/IEnumerable) is the fastest way to iterate in C#, since it
won't emit virtual calls and try-finally-Dispose. :)
