1 files changed, 24 insertions, 0 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/metric/internal/reuse_slice.go b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/reuse_slice.go
new file mode 100644
index 000000000..9695492b0
--- /dev/null
+++ b/vendor/go.opentelemetry.io/otel/sdk/metric/internal/reuse_slice.go
@@ -0,0 +1,24 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package internal // import "go.opentelemetry.io/otel/sdk/metric/internal"
+
+// ReuseSlice returns a zeroed view of slice if its capacity is greater than or
+// equal to n. Otherwise, it returns a new []T with capacity equal to n.
+func ReuseSlice[T any](slice []T, n int) []T {
+	if cap(slice) >= n {
+		return slice[:n]
+	}
+	return make([]T, n)
+}