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Use interface for logger. (#639)

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Ludovic Fernandez 2018-09-18 00:17:07 +02:00 committed by GitHub
parent 83e2300e01
commit 039f5cf785
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1 changed files with 11 additions and 1 deletions
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12
log/logger.go
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@ -6,7 +6,17 @@ import (
)
// Logger is an optional custom logger.
var Logger = log.New(os.Stdout, "", log.LstdFlags)
var Logger StdLogger = log.New(os.Stdout, "", log.LstdFlags)
// StdLogger interface for Standard Logger.
type StdLogger interface {
Fatal(args ...interface{})
Fatalln(args ...interface{})
Fatalf(format string, args ...interface{})
Print(args ...interface{})
Println(args ...interface{})
Printf(format string, args ...interface{})
}
// Fatal writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.