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