mirror of https://github.com/status-im/op-geth.git
22 lines
568 B
Go
22 lines
568 B
Go
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package ethlog
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import "os"
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func ExampleLogger() {
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logger := NewLogger("TAG")
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logger.Infoln("so awesome") // prints [TAG] so awesome
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logger.Infof("this %q is raw", "coin") // prints [TAG] this "coin" is raw
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}
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func ExampleLogSystem() {
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filename := "test.log"
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file, _ := os.OpenFile(filename, os.O_RDWR|os.O_CREATE, os.ModePerm)
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fileLog := NewStdLogSystem(file, 0, WarnLevel)
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AddLogSystem(fileLog)
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stdoutLog := NewStdLogSystem(os.Stdout, 0, WarnLevel)
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AddLogSystem(stdoutLog)
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NewLogger("TAG").Warnln("reactor meltdown") // writes to both logs
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}
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