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49 lines
925 B
49 lines
925 B
4 years ago
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package log
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var (
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// DefaultLogger is default logger.
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DefaultLogger Logger = NewStdLogger()
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)
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// Logger is a logger interface.
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type Logger interface {
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Print(pairs ...interface{})
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}
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type logger struct {
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log Logger
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pairs []interface{}
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}
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func (l *logger) Print(pairs ...interface{}) {
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l.log.Print(append(pairs, l.pairs...)...)
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}
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// With with logger kv pairs.
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func With(log Logger, pairs ...interface{}) Logger {
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if len(pairs) == 0 {
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return log
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}
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return &logger{log: log, pairs: pairs}
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}
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// Debug returns a debug logger.
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func Debug(log Logger) Logger {
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return With(log, LevelKey, LevelDebug)
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}
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// Info returns a info logger.
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func Info(log Logger) Logger {
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return With(log, LevelKey, LevelInfo)
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}
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// Warn return a warn logger.
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func Warn(log Logger) Logger {
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return With(log, LevelKey, LevelWarn)
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}
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// Error returns a error logger.
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func Error(log Logger) Logger {
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return With(log, LevelKey, LevelError)
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}
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