fix

nikhilbhatia08 · nikhilbhatia08 · commit 98543fc9bc1a · 2025-09-20T01:56:09.000+05:30
diff --git a/sdk/include/opentelemetry/sdk/metrics/view/attributes_processor.h b/sdk/include/opentelemetry/sdk/metrics/view/attributes_processor.h
@@ -138,7 +138,7 @@ template <typename MapType>
 inline auto find_hetero(MapType &&map, opentelemetry::nostd::string_view key)
 {
 #if defined(_LIBCPP_VERSION) || \
-    (defined(OPENTELEMETRY_STL_VERSION) && OPENTELEMETRY_STL_VERSION < 2020)
+    (!defined(OPENTELEMETRY_STL_VERSION) || OPENTELEMETRY_STL_VERSION < 2020)
   return map.find(std::string(key));
 #else
   // libstdc++ + C++20: heterogeneous lookup works

Original file line number	Diff line number	Diff line change
`@@ -138,7 +138,7 @@ template <typename MapType>`
`138`	`138`	`inline auto find_hetero(MapType &&map, opentelemetry::nostd::string_view key)`
`139`	`139`	`{`
`140`	`140`	`#if defined(_LIBCPP_VERSION) \|\| \`
`141`		`- (defined(OPENTELEMETRY_STL_VERSION) && OPENTELEMETRY_STL_VERSION < 2020)`
	`141`	`+ (!defined(OPENTELEMETRY_STL_VERSION) \|\| OPENTELEMETRY_STL_VERSION < 2020)`
`142`	`142`	`return map.find(std::string(key));`
`143`	`143`	`#else`
`144`	`144`	`// libstdc++ + C++20: heterogeneous lookup works`