On Wednesday, 24 January 2018 at 07:55:01 UTC, thedeemon wrote:
On Tuesday, 23 January 2018 at 00:00:38 UTC, aliak wrote:

The struct defined inside a scope can mention variables defined in that scope (e.g. use them in its methods), so it needs a pointer to the place where those closed variables live. That's the main difference between such struct and a static one that cannot use those scope vars. I guess you're seeing that pointer as additional member.

As for static foreach, when you write a simple foreach over some compile-time tuple (like in this case), it's unrolled at compile time similarly to "static foreach", the main difference is whether it creates a sub-scope for the loop body or not. "foreach" creates one, "static foreach" doesn't.

Ah makes sense. Thanks!

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