23 lines
775 B
Go
23 lines
775 B
Go
// Package logger defines interface for logging. Implementation should be passed by user.
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// Also provides NoOp (do-nothing) and Std (redirect to std log) predefined loggers.
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package logger
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import "log"
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// L defined logger interface used everywhere in the package
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type L interface {
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Logf(format string, args ...interface{})
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}
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// Func type is an adapter to allow the use of ordinary functions as Logger.
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type Func func(format string, args ...interface{})
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// Logf calls f(id)
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func (f Func) Logf(format string, args ...interface{}) { f(format, args...) }
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// NoOp logger
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var NoOp = Func(func(format string, args ...interface{}) {})
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// Std logger sends to std default logger directly
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var Std = Func(func(format string, args ...interface{}) { log.Printf(format, args...) })
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