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# Zerologr
[](https://pkg.go.dev/github.com/go-logr/zerologr)
[](https://goreportcard.com/report/github.com/go-logr/zerologr)
A [logr](https://github.com/go-logr/logr) LogSink implementation using [Zerolog](https://github.com/rs/zerolog).
## Usage
```go
import (
"os"
"github.com/go-logr/logr"
"github.com/go-logr/zerologr"
"github.com/rs/zerolog"
)
func main() {
zerolog.TimeFieldFormat = zerolog.TimeFormatUnixMs
zerologr.NameFieldName = "logger"
zerologr.NameSeparator = "/"
zerologr.SetMaxV(1)
zl := zerolog.New(os.Stderr)
zl = zl.With().Caller().Timestamp().Logger()
var log logr.Logger = zerologr.New(&zl)
log.Info("Logr in action!", "the answer", 42)
}
```
## Implementation Details
For the most part, concepts in Zerolog correspond directly with those in logr.
V-levels in logr correspond to levels in Zerolog as `zerologLevel = 1 - logrV`. `logr.V(0)` is equivalent to `zerolog.InfoLevel` or 1; `logr.V(1)` is equivalent to `zerolog.DebugLevel` or 0 (default global level in Zerolog); `logr.V(2)` is equivalent to `zerolog.TraceLevel` or -1. Higher than 2 V-level is possible but misses some features in Zerolog, e.g. Hooks and Sampling. V-level value is a number and is only logged on Info(), not Error().
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