[libcxx-commits] [libcxx] [libcxx][test] Silence nodiscard warnings for `std::expected` (PR #119174)

[Stephan T. Lavavej via libcxx-commits]

================
@@ -237,25 +237,25 @@ constexpr void test_sfinae() {
     return std::expected<int, int>();
   };
 
-  e1.transform(never_called);
-  std::move(e1).transform(never_called);
-  ce1.and_then(never_called);
-  std::move(ce1).transform(never_called);
+  (void)e1.transform(never_called);
+  (void)std::move(e1).transform(never_called);
+  (void)ce1.and_then(never_called);
+  (void)std::move(ce1).transform(never_called);
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StephanTLavavej wrote:

The `and_then` here looks like a copy-paste mistake. I could change this to `transform` if anyone wants.

https://github.com/llvm/llvm-project/pull/119174