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Should there be a library feature-test macro for std::observable?

From: F. v.S. <de34_at_[hidden]>
Date: Wed, 26 Feb 2025 01:48:37 +0000
It's possibly intended that P1494R5 "Partial program correctness" doesn't add any feature-test macro. I'm convinced by Jens Maurer that there shouldn't be a core FTM. But given there's already __cpp_lib_unreachable, shouldn't there be __cpp_lib_observable?

Received on 2025-02-26 01:48:45