[libcxx-commits] [PATCH] D115312: [libc++] [ranges] Simplify and fix a bug in ranges::empty.

[Arthur O'Dwyer via Phabricator via libcxx-commits]

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It was missing the cast to `bool` in `bool(__t.empty())`, as shown in the new test case. There may have been other issues too, but if so, they're fixed now. :)


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D115312

Files:
  libcxx/include/__ranges/empty.h
  libcxx/test/std/ranges/range.access/range.prim/empty.pass.cpp

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