From 8cbe7271a0b5bab57a24b29e1e5302f17fc8e2e3 Mon Sep 17 00:00:00 2001
From: Bogdan Drutu <bogdandrutu@gmail.com>
Date: Sat, 27 Jan 2024 01:17:20 -0800
Subject: [PATCH] [BUILD] Remove unnecessary usage/includes of
 nostd/type_traits (#2509)

---
 .../exporters/elasticsearch/es_log_record_exporter.h          | 1 -
 .../opentelemetry/exporters/ostream/log_record_exporter.h     | 2 +-
 .../include/opentelemetry/exporters/ostream/span_exporter.h   | 2 +-
 .../include/opentelemetry/opentracingshim/propagation.h       | 3 ++-
 .../sdk/instrumentationscope/instrumentation_scope.h          | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/exporters/elasticsearch/include/opentelemetry/exporters/elasticsearch/es_log_record_exporter.h b/exporters/elasticsearch/include/opentelemetry/exporters/elasticsearch/es_log_record_exporter.h
index b72ff4f917..31d63af983 100644
--- a/exporters/elasticsearch/include/opentelemetry/exporters/elasticsearch/es_log_record_exporter.h
+++ b/exporters/elasticsearch/include/opentelemetry/exporters/elasticsearch/es_log_record_exporter.h
@@ -7,7 +7,6 @@
 #include "opentelemetry/common/spin_lock_mutex.h"
 #include "opentelemetry/ext/http/client/http_client_factory.h"
 #include "opentelemetry/nostd/shared_ptr.h"
-#include "opentelemetry/nostd/type_traits.h"
 #include "opentelemetry/sdk/logs/exporter.h"
 #include "opentelemetry/sdk/logs/recordable.h"
 
diff --git a/exporters/ostream/include/opentelemetry/exporters/ostream/log_record_exporter.h b/exporters/ostream/include/opentelemetry/exporters/ostream/log_record_exporter.h
index a2897a5f26..ba5b28b9de 100644
--- a/exporters/ostream/include/opentelemetry/exporters/ostream/log_record_exporter.h
+++ b/exporters/ostream/include/opentelemetry/exporters/ostream/log_record_exporter.h
@@ -5,7 +5,7 @@
 
 #include "opentelemetry/common/attribute_value.h"
 #include "opentelemetry/common/spin_lock_mutex.h"
-#include "opentelemetry/nostd/type_traits.h"
+#include "opentelemetry/nostd/span.h"
 #include "opentelemetry/sdk/common/attribute_utils.h"
 #include "opentelemetry/sdk/logs/exporter.h"
 
diff --git a/exporters/ostream/include/opentelemetry/exporters/ostream/span_exporter.h b/exporters/ostream/include/opentelemetry/exporters/ostream/span_exporter.h
index 03c95c23f9..139653686d 100644
--- a/exporters/ostream/include/opentelemetry/exporters/ostream/span_exporter.h
+++ b/exporters/ostream/include/opentelemetry/exporters/ostream/span_exporter.h
@@ -4,7 +4,7 @@
 #pragma once
 
 #include "opentelemetry/common/spin_lock_mutex.h"
-#include "opentelemetry/nostd/type_traits.h"
+#include "opentelemetry/nostd/span.h"
 #include "opentelemetry/sdk/trace/exporter.h"
 #include "opentelemetry/sdk/trace/span_data.h"
 #include "opentelemetry/version.h"
diff --git a/opentracing-shim/include/opentelemetry/opentracingshim/propagation.h b/opentracing-shim/include/opentelemetry/opentracingshim/propagation.h
index c226d9da83..b2a9be5a80 100644
--- a/opentracing-shim/include/opentelemetry/opentracingshim/propagation.h
+++ b/opentracing-shim/include/opentelemetry/opentracingshim/propagation.h
@@ -8,7 +8,8 @@
 #include "opentelemetry/baggage/baggage.h"
 #include "opentelemetry/common/attribute_value.h"
 #include "opentelemetry/context/propagation/text_map_propagator.h"
-#include "opentelemetry/nostd/type_traits.h"
+#include "opentelemetry/nostd/function_ref.h"
+#include "opentelemetry/nostd/string_view.h"
 #include "opentracing/propagation.h"
 #include "opentracing/value.h"
 
diff --git a/sdk/include/opentelemetry/sdk/instrumentationscope/instrumentation_scope.h b/sdk/include/opentelemetry/sdk/instrumentationscope/instrumentation_scope.h
index 35b0dc6863..4f7c9069bf 100644
--- a/sdk/include/opentelemetry/sdk/instrumentationscope/instrumentation_scope.h
+++ b/sdk/include/opentelemetry/sdk/instrumentationscope/instrumentation_scope.h
@@ -4,10 +4,10 @@
 #pragma once
 
 #include <string>
+#include <type_traits>
 
 #include "opentelemetry/common/key_value_iterable_view.h"
 #include "opentelemetry/nostd/string_view.h"
-#include "opentelemetry/nostd/type_traits.h"
 #include "opentelemetry/nostd/unique_ptr.h"
 #include "opentelemetry/nostd/variant.h"
 #include "opentelemetry/sdk/common/attribute_utils.h"
@@ -73,7 +73,7 @@ class InstrumentationScope
    */
   template <
       class ArgumentType,
-      nostd::enable_if_t<opentelemetry::common::detail::is_key_value_iterable<ArgumentType>::value>
+      std::enable_if_t<opentelemetry::common::detail::is_key_value_iterable<ArgumentType>::value>
           * = nullptr>
   static nostd::unique_ptr<InstrumentationScope> Create(nostd::string_view name,
                                                         nostd::string_view version,