add logrus handler

handler/logrus/logger_example_test.go

@@ -0,0 +1,30 @@
+package logrus_test
+
+import (
+	"context"
+	"io"
+	"os"
+
+	slogrus "github.com/sirupsen/logrus"
+	"gitoa.ru/go-4devs/log/field"
+	"gitoa.ru/go-4devs/log/handler/logrus"
+)
+
+func ExampleNew_logrusHandler() {
+	ctx := context.Background()
+	lgrs := slogrus.New()
+	lgrs.SetOutput(os.Stdout)
+	lgrs.SetFormatter(&slogrus.TextFormatter{
+		DisableTimestamp: true,
+	})
+
+	log := logrus.New(lgrs)
+	log.Err(ctx, "log logrus")
+	log.ErrKV(ctx, "log logrus kv", field.Int("int", 42))
+	log.ErrKVs(ctx, "log logrus kv sugar", "err", io.EOF)
+
+	// Output:
+	// level=error msg="log logrus"
+	// level=error msg="log logrus kv" int=42
+	// level=error msg="log logrus kv sugar" err=EOF
+}