docs: add godoc and bilingual README

examples/main.go

@@ -1,21 +1,53 @@
 package main
 
-import "git.nix13.pw/scuroneko/slog"
+import (
+	"bytes"
+	"fmt"
+
+	"git.nix13.pw/scuroneko/slog"
+)
 
 func main() {
-	logger := slog.CreateLogger().JsonPretty(false)
-	defer logger.Close()
-	logger.AddWriter(logger.CreateTextStdoutWriter())
-	f, err := logger.CreateJsonFileWriter("main.log")
+	logger := slog.CreateLogger().
+		Prefix("EXAMPLE").
+		Level(slog.DEBUG).
+		JsonPretty(true)
+
+	textStdout := logger.CreateTextStdoutWriter()
+	jsonStdout := logger.CreateJsonStdoutWriter()
+
+	textFile, err := logger.CreateTextFileWriter("logs/text.log")
 	if err != nil {
 		panic(err)
 	}
-	logger.AddWriter(f)
-	logger.Infoln("Test")
-	logger.Warnln("Test")
-	logger.Errorln("Test")
-	logger.Debugln("Test") // No output
-	logger.Level(slog.DEBUG)
-	logger.Debugln("Test") // Now we have output
-	logger.Fatalln("Test") // Exit code 1
+
+	jsonFile, err := logger.CreateJsonFileWriter("logs/json.log")
+	if err != nil {
+		panic(err)
+	}
+
+	var externalBuffer bytes.Buffer
+	externalText := logger.CreateTextWriter(&externalBuffer)
+	externalJSON := logger.CreateJsonWriter(&externalBuffer)
+
+	logger.AddWriters(
+		textStdout,
+		jsonStdout,
+		textFile,
+		jsonFile,
+		externalText,
+		externalJSON,
+	)
+
+	logger.Infoln("service started")
+	logger.Warnln("cache miss")
+	logger.Errorln("request failed")
+	logger.Debugln("debug details")
+
+	if err := logger.Close(); err != nil {
+		panic(err)
+	}
+
+	fmt.Println("external buffer contents:")
+	fmt.Println(externalBuffer.String())
 }