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c41c2cd9fc
* Updates containerd to v1.7.0 and new binary for 32-bit Arm OSes. * Updates Go dependencies - openfaas and external Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
33 lines
871 B
Go
Generated
33 lines
871 B
Go
Generated
/*
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*
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* Copyright 2022 gRPC 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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*
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*/
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package grpcsync
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import (
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"sync"
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)
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// OnceFunc returns a function wrapping f which ensures f is only executed
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// once even if the returned function is executed multiple times.
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func OnceFunc(f func()) func() {
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var once sync.Once
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return func() {
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once.Do(f)
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}
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}
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