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53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package hclog
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import (
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"io"
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"io/ioutil"
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"log"
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)
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// NewNullLogger instantiates a Logger for which all calls
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// will succeed without doing anything.
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// Useful for testing purposes.
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func NewNullLogger() Logger {
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return &nullLogger{}
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}
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type nullLogger struct{}
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func (l *nullLogger) Trace(msg string, args ...interface{}) {}
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func (l *nullLogger) Debug(msg string, args ...interface{}) {}
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func (l *nullLogger) Info(msg string, args ...interface{}) {}
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func (l *nullLogger) Warn(msg string, args ...interface{}) {}
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func (l *nullLogger) Error(msg string, args ...interface{}) {}
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func (l *nullLogger) IsTrace() bool { return false }
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func (l *nullLogger) IsDebug() bool { return false }
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func (l *nullLogger) IsInfo() bool { return false }
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func (l *nullLogger) IsWarn() bool { return false }
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func (l *nullLogger) IsError() bool { return false }
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func (l *nullLogger) With(args ...interface{}) Logger { return l }
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func (l *nullLogger) Named(name string) Logger { return l }
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func (l *nullLogger) ResetNamed(name string) Logger { return l }
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func (l *nullLogger) SetLevel(level Level) {}
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func (l *nullLogger) StandardLogger(opts *StandardLoggerOptions) *log.Logger {
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return log.New(l.StandardWriter(opts), "", log.LstdFlags)
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}
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func (l *nullLogger) StandardWriter(opts *StandardLoggerOptions) io.Writer {
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return ioutil.Discard
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}
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