Richard,
Then the only possible solution is to create some temp var for array
size and capture it (or make it global) + rebuild the original type to
make it use this temp var. Another solution is to learn the capturing
machinery to capture expressions.
Best regards,
Alexey Bataev
=============
Software Engineer
Intel Compiler Team
14.07.2014 4:17, Richard Smith пишет:
The [C++ Array Extensions draft
TS](http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3639.html) specifies how the
C++ committee thinks VLAs in C++ ("Arrays of Runtime Bound") should work, and I
think it has different semantics for lambda captures from those provided here =( In
particular, it only allows the array bound expression to be evaluated a single time, so
the array bound itself must be captured, rather than the variables that it references.
So, we have a choice: we can go with what you have here (which seems reasonable
if we're providing the C-style VLAs), and we should do something different if
instead we want to align ourselves with the Array Extensions draft TS and ARB
semantics. If Array Extensions is going to become a full TS, then we'll want to
align with it eventually, and it doesn't make sense to me to differ from it
now, but it's not completely clear if that's going to happen (there seemed to
be weak consensus at the previous committee meeting to abandon it).
Thoughts?
http://reviews.llvm.org/D4368
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