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40 lines
1.3 KiB
40 lines
1.3 KiB
1 year ago
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// Copyright 2018 Google LLC All Rights Reserved.
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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 logs exposes the loggers used by this library.
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package logs
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import (
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"io"
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"log"
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)
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var (
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// Warn is used to log non-fatal errors.
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Warn = log.New(io.Discard, "", log.LstdFlags)
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// Progress is used to log notable, successful events.
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Progress = log.New(io.Discard, "", log.LstdFlags)
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// Debug is used to log information that is useful for debugging.
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Debug = log.New(io.Discard, "", log.LstdFlags)
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)
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// Enabled checks to see if the logger's writer is set to something other
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// than io.Discard. This allows callers to avoid expensive operations
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// that will end up in /dev/null anyway.
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func Enabled(l *log.Logger) bool {
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return l.Writer() != io.Discard
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}
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