[clang-tools-extra] [llvm] [llvm][ADT] Add wrappers to `std::includes` (PR #143297)

[Jakub Kuderski via llvm-commits]

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@@ -1881,6 +1881,19 @@ OutputIt move(R &&Range, OutputIt Out) {
   return std::move(adl_begin(Range), adl_end(Range), Out);
 }
 
+/// Provide wrappers to std::includes which take ranges instead of having to
+/// pass begin/end explicitly.
+template <typename R1, typename R2> bool includes(R1 &&Range1, R2 &&Range2) {
+  return std::includes(adl_begin(Range1), adl_end(Range1), adl_begin(Range2),
+                       adl_end(Range2));
+}
+
+template <typename R1, typename R2, typename Compare>
+bool includes(R1 &&Range1, R2 &&Range2, Compare C) {
+  return std::includes(adl_begin(Range1), adl_end(Range1), adl_begin(Range2),
+                       adl_end(Range2), C);
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kuhar wrote:

We could forward `C` here in case it's `std::function` that may allocate

https://github.com/llvm/llvm-project/pull/143297