mirror of
https://github.com/crazybber/awesome-patterns.git
synced 2024-11-26 14:56:02 +03:00
28 lines
333 B
Go
28 lines
333 B
Go
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package main
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import (
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"fmt"
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"os"
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)
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type Logger struct {
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out *os.File
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}
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func (l Logger) Log(s string) {
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out := l.out
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if out == nil {
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out = os.Stderr
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}
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fmt.Fprintf(out, "%s [%d]: %s\n", os.Args[0],
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os.Getpid(), s)
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}
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func (l *Logger) SetOutput(out *os.File) {
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l.out = out
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}
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func main() {
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l := Logger{}
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l.Log("test")
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}
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