[llvm] [llvm][ADT] Add `getSingleElement` helper (PR #131508)

[via llvm-commits]

github-actions[bot] wrote:

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``````````bash
git-clang-format --diff d781ac1cf0d561b79f6ff834d786c6a999429901 44aa2aa100b4c081f128aeb8b8af42e8bc022564 --extensions cpp,h -- llvm/include/llvm/ADT/STLExtras.h llvm/unittests/ADT/STLExtrasTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/unittests/ADT/STLExtrasTest.cpp b/llvm/unittests/ADT/STLExtrasTest.cpp
index df8c0a4e48..d476710957 100644
--- a/llvm/unittests/ADT/STLExtrasTest.cpp
+++ b/llvm/unittests/ADT/STLExtrasTest.cpp
@@ -1025,7 +1025,7 @@ TEST(STLExtrasTest, getSingleElement) {
   std::vector<int> V2 = {8};
   EXPECT_EQ(getSingleElement(V2), 8);
 
-  SmallVector<int> V3 {9};
+  SmallVector<int> V3{9};
   EXPECT_EQ(getSingleElement(V3), 9);
 
   std::list<int> L1 = {10};

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https://github.com/llvm/llvm-project/pull/131508