On Thursday, 11 July 2013 at 16:53:30 UTC, H. S. Teoh wrote:
On Thu, Jul 11, 2013 at 06:31:13PM +0200, Meta wrote:
On Thursday, 11 July 2013 at 16:14:13 UTC, H. S. Teoh wrote:
>On Thu, Jul 11, 2013 at 05:25:09PM +0200, bearophile wrote:
>Hmm. This seems to be a tricky corner case. The delegate >itself is >impure, as it accesses y which is outside of its definition >and
>isn't part of its arguments; however, in the larger context of
>spam(), this shouldn't be a problem since y is accessed via
>'this', and 'this' is part of spam's input.

Isn't it okay for pure functions to access global immutable state,
such as what the delegate is doing here?

True, I didn't think of that. :) So in this case it looks like a
regression.


T

It's not a global static though. It's a member immutable, but accessed via the (impure) context pointer.

It should work, but it's not just straight up global immutable

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