Make mutable CompressedTuple::get() constexpr.

This change makes the mutable overloads of CompressedTuple::get() constexpr.
This is consistent with std::get(std::tuple), which is constexpr since C++14.

PiperOrigin-RevId: 648603141
Change-Id: Icbd61809f7a06723cf581dbed5488b7bae998cc9

1 files changed, 6 insertions, 6 deletions

diff --git a/absl/container/internal/compressed_tuple.h b/absl/container/internal/compressed_tuple.h
index f05a1fdc..6db0468d 100644
--- a/absl/container/internal/compressed_tuple.h
+++ b/absl/container/internal/compressed_tuple.h
@@ -89,9 +89,9 @@ struct Storage {
   explicit constexpr Storage(absl::in_place_t, V&& v)
       : value(std::forward<V>(v)) {}
   constexpr const T& get() const& { return value; }
-  T& get() & { return value; }
+  constexpr T& get() & { return value; }
   constexpr const T&& get() const&& { return std::move(*this).value; }
-  T&& get() && { return std::move(*this).value; }
+  constexpr T&& get() && { return std::move(*this).value; }
 };
 
 template <typename T, size_t I>
@@ -102,9 +102,9 @@ struct ABSL_INTERNAL_COMPRESSED_TUPLE_DECLSPEC Storage<T, I, true> : T {
   explicit constexpr Storage(absl::in_place_t, V&& v) : T(std::forward<V>(v)) {}
 
   constexpr const T& get() const& { return *this; }
-  T& get() & { return *this; }
+  constexpr T& get() & { return *this; }
   constexpr const T&& get() const&& { return std::move(*this); }
-  T&& get() && { return std::move(*this); }
+  constexpr T&& get() && { return std::move(*this); }
 };
 
 template <typename D, typename I, bool ShouldAnyUseBase>
@@ -237,7 +237,7 @@ class ABSL_INTERNAL_COMPRESSED_TUPLE_DECLSPEC CompressedTuple
                                              std::forward<Vs>(base)...) {}
 
   template <int I>
-  ElemT<I>& get() & {
+  constexpr ElemT<I>& get() & {
     return StorageT<I>::get();
   }
 
@@ -247,7 +247,7 @@ class ABSL_INTERNAL_COMPRESSED_TUPLE_DECLSPEC CompressedTuple
   }
 
   template <int I>
-  ElemT<I>&& get() && {
+  constexpr ElemT<I>&& get() && {
     return std::move(*this).StorageT<I>::get();
   }