From 55de7357c7f0e1af6bb7d61b924a9a9315cc1e81 Mon Sep 17 00:00:00 2001
From: Dino Radakovic <dinor@google.com>
Date: Fri, 2 Jun 2023 11:57:32 -0700
Subject: `absl`: Replace `absl::remove_cv_t<absl::remove_reference_t<T>>` with
 `absl::remove_cvref_t<T>`

PiperOrigin-RevId: 537372070
Change-Id: I46ff6e42856aea2cd8da6ff7105cf58613603dd4
---
 absl/status/internal/statusor_internal.h | 36 +++++++++++---------------------
 absl/status/statusor.h                   |  8 +++----
 2 files changed, 15 insertions(+), 29 deletions(-)

(limited to 'absl')

diff --git a/absl/status/internal/statusor_internal.h b/absl/status/internal/statusor_internal.h
index eaac2c0b..49cead7a 100644
--- a/absl/status/internal/statusor_internal.h
+++ b/absl/status/internal/statusor_internal.h
@@ -69,11 +69,8 @@ using IsConstructibleOrConvertibleOrAssignableFromStatusOr =
 template <typename T, typename U>
 struct IsDirectInitializationAmbiguous
     : public absl::conditional_t<
-          std::is_same<absl::remove_cv_t<absl::remove_reference_t<U>>,
-                       U>::value,
-          std::false_type,
-          IsDirectInitializationAmbiguous<
-              T, absl::remove_cv_t<absl::remove_reference_t<U>>>> {};
+          std::is_same<absl::remove_cvref_t<U>, U>::value, std::false_type,
+          IsDirectInitializationAmbiguous<T, absl::remove_cvref_t<U>>> {};
 
 template <typename T, typename V>
 struct IsDirectInitializationAmbiguous<T, absl::StatusOr<V>>
@@ -84,14 +81,11 @@ struct IsDirectInitializationAmbiguous<T, absl::StatusOr<V>>
 template <typename T, typename U>
 using IsDirectInitializationValid = absl::disjunction<
     // Short circuits if T is basically U.
-    std::is_same<T, absl::remove_cv_t<absl::remove_reference_t<U>>>,
+    std::is_same<T, absl::remove_cvref_t<U>>,
     absl::negation<absl::disjunction<
-        std::is_same<absl::StatusOr<T>,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
-        std::is_same<absl::Status,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
-        std::is_same<absl::in_place_t,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
+        std::is_same<absl::StatusOr<T>, absl::remove_cvref_t<U>>,
+        std::is_same<absl::Status, absl::remove_cvref_t<U>>,
+        std::is_same<absl::in_place_t, absl::remove_cvref_t<U>>,
         IsDirectInitializationAmbiguous<T, U>>>>;
 
 // This trait detects whether `StatusOr<T>::operator=(U&&)` is ambiguous, which
@@ -107,11 +101,8 @@ using IsDirectInitializationValid = absl::disjunction<
 template <typename T, typename U>
 struct IsForwardingAssignmentAmbiguous
     : public absl::conditional_t<
-          std::is_same<absl::remove_cv_t<absl::remove_reference_t<U>>,
-                       U>::value,
-          std::false_type,
-          IsForwardingAssignmentAmbiguous<
-              T, absl::remove_cv_t<absl::remove_reference_t<U>>>> {};
+          std::is_same<absl::remove_cvref_t<U>, U>::value, std::false_type,
+          IsForwardingAssignmentAmbiguous<T, absl::remove_cvref_t<U>>> {};
 
 template <typename T, typename U>
 struct IsForwardingAssignmentAmbiguous<T, absl::StatusOr<U>>
@@ -122,14 +113,11 @@ struct IsForwardingAssignmentAmbiguous<T, absl::StatusOr<U>>
 template <typename T, typename U>
 using IsForwardingAssignmentValid = absl::disjunction<
     // Short circuits if T is basically U.
-    std::is_same<T, absl::remove_cv_t<absl::remove_reference_t<U>>>,
+    std::is_same<T, absl::remove_cvref_t<U>>,
     absl::negation<absl::disjunction<
-        std::is_same<absl::StatusOr<T>,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
-        std::is_same<absl::Status,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
-        std::is_same<absl::in_place_t,
-                     absl::remove_cv_t<absl::remove_reference_t<U>>>,
+        std::is_same<absl::StatusOr<T>, absl::remove_cvref_t<U>>,
+        std::is_same<absl::Status, absl::remove_cvref_t<U>>,
+        std::is_same<absl::in_place_t, absl::remove_cvref_t<U>>,
         IsForwardingAssignmentAmbiguous<T, U>>>>;
 
 class Helper {
diff --git a/absl/status/statusor.h b/absl/status/statusor.h
index 935366d5..54c7ce02 100644
--- a/absl/status/statusor.h
+++ b/absl/status/statusor.h
@@ -411,7 +411,7 @@ class StatusOr : private internal_statusor::StatusOrData<T>,
       typename = typename std::enable_if<absl::conjunction<
           std::is_constructible<T, U&&>, std::is_assignable<T&, U&&>,
           absl::disjunction<
-              std::is_same<absl::remove_cv_t<absl::remove_reference_t<U>>, T>,
+              std::is_same<absl::remove_cvref_t<U>, T>,
               absl::conjunction<
                   absl::negation<std::is_convertible<U&&, absl::Status>>,
                   absl::negation<internal_statusor::
@@ -444,8 +444,7 @@ class StatusOr : private internal_statusor::StatusOrData<T>,
               internal_statusor::IsDirectInitializationValid<T, U&&>,
               std::is_constructible<T, U&&>, std::is_convertible<U&&, T>,
               absl::disjunction<
-                  std::is_same<absl::remove_cv_t<absl::remove_reference_t<U>>,
-                               T>,
+                  std::is_same<absl::remove_cvref_t<U>, T>,
                   absl::conjunction<
                       absl::negation<std::is_convertible<U&&, absl::Status>>,
                       absl::negation<
@@ -461,8 +460,7 @@ class StatusOr : private internal_statusor::StatusOrData<T>,
           absl::conjunction<
               internal_statusor::IsDirectInitializationValid<T, U&&>,
               absl::disjunction<
-                  std::is_same<absl::remove_cv_t<absl::remove_reference_t<U>>,
-                               T>,
+                  std::is_same<absl::remove_cvref_t<U>, T>,
                   absl::conjunction<
                       absl::negation<std::is_constructible<absl::Status, U&&>>,
                       absl::negation<
-- 
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