log: using DiscardHandler in golang std lib

Author: cuiweixie

log/handler.go

@@ -13,27 +13,9 @@ import (
 	"github.com/holiman/uint256"
 )
 
-type discardHandler struct{}
-
 // DiscardHandler returns a no-op handler
 func DiscardHandler() slog.Handler {
-	return &discardHandler{}
-}
-
-func (h *discardHandler) Handle(_ context.Context, r slog.Record) error {
-	return nil
-}
-
-func (h *discardHandler) Enabled(_ context.Context, level slog.Level) bool {
-	return false
-}
-
-func (h *discardHandler) WithGroup(name string) slog.Handler {
-	panic("not implemented")
-}
-
-func (h *discardHandler) WithAttrs(attrs []slog.Attr) slog.Handler {
-	return &discardHandler{}
+	return slog.DiscardHandler
 }
 
 type TerminalHandler struct {