[Issue 20943] std.algorithm.setops.cartesianProduct fails for ranges with @system popFront

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20943

Dlang Bot <dlang-bot at dlang.rocks> changed:

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--- Comment #1 from Dlang Bot <dlang-bot at dlang.rocks> ---
@John-Colvin updated dlang/phobos pull request #7519 "Let safety of
cartesianProduct.Result.popFront be inferred" fixing this issue:

- Fix Issue 20943 - std.algorithm.setops.cartesianProduct fails for ranges with
@system popFront

https://github.com/dlang/phobos/pull/7519

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