foreach seems to work with opIndex()

[H. S. Teoh via Digitalmars-d-learn]

On Sat, Feb 06, 2016 at 02:43:52PM +0000, Tofu Ninja via Digitalmars-d-learn wrote:
> Foreach seems to work if there is an opIndex() with no arguments that
> returns a range interface, is this documented? I can't seem to find
> anything that say this is supposed to happen. I am not really
> complaining, its nice, but I just didnt really expect it because I
> feel like I remember this being an error some time ago.

Not really sure, but opIndex() with no arguments is supposed to be the
current way of implement the [] slicing operator for user-defined types.
I'm not sure when foreach started supporting that, but it's certainly a
nice thing!


T

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