add Fatal{Context}{f}

log.go

@@ -3,6 +3,7 @@ package clog
 import (
 	"context"
 	"log/slog"
+	"os"
 )
 
 // Info calls Info on the default logger.
@@ -89,3 +90,27 @@ func Debugf(format string, args ...any) {
 func DebugContextf(ctx context.Context, format string, args ...any) {
 	wrapf(ctx, FromContext(ctx), slog.LevelDebug, format, args...)
 }
+
+// Fatal calls Error on the default logger, then exits.
+func Fatal(msg string, args ...any) {
+	wrap(context.Background(), DefaultLogger(), slog.LevelError, msg, args...)
+	os.Exit(1)
+}
+
+// FatalContext calls ErrorContext on the context logger, then exits.
+func FatalContext(ctx context.Context, msg string, args ...any) {
+	wrap(ctx, FromContext(ctx), slog.LevelError, msg, args...)
+	os.Exit(1)
+}
+
+// Fatalf calls Errorf on the default logger, then exits.
+func Fatalf(format string, args ...any) {
+	wrapf(context.Background(), DefaultLogger(), slog.LevelError, format, args...)
+	os.Exit(1)
+}
+
+// FatalContextf calls ErrorContextf on the context logger, then exits.
+func FatalContextf(ctx context.Context, format string, args ...any) {
+	wrapf(ctx, FromContext(ctx), slog.LevelError, format, args...)
+	os.Exit(1)
+}

logger.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"os"
 	"runtime"
 	"time"
 )
@@ -86,6 +87,30 @@ func (l *Logger) DebugContextf(ctx context.Context, format string, args ...any)
 	wrapf(ctx, l, slog.LevelDebug, format, args...)
 }
 
+// Fatalf logs at LevelError with the given format and arguments, then exits.
+func (l *Logger) Fatalf(format string, args ...any) {
+	wrapf(context.Background(), l, slog.LevelError, format, args...)
+	os.Exit(1)
+}
+
+// Fatal logs at LevelError with the given message, then exits.
+func (l *Logger) Fatal(msg string) {
+	wrapf(context.Background(), l, slog.LevelError, msg)
+	os.Exit(1)
+}
+
+// FatalfContextf logs at LevelError with the given context, format and arguments, then exits.
+func (l *Logger) FatalContextf(ctx context.Context, format string, args ...any) {
+	wrapf(ctx, l, slog.LevelError, format, args...)
+	os.Exit(1)
+}
+
+// FatalfContext logs at LevelError with the given context and message, then exits.
+func (l *Logger) FatalContext(ctx context.Context, msg string) {
+	wrapf(ctx, l, slog.LevelError, msg)
+	os.Exit(1)
+}
+
 // Base returns the underlying [slog.Logger].
 func (l *Logger) Base() *slog.Logger {
 	return &l.Logger