package logic import ( "context" "github.com/zrepl/zrepl/logger" ) type contextKey int const ( contextKeyLog contextKey = iota ) type Logger = logger.Logger func WithLogger(ctx context.Context, l Logger) context.Context { ctx = context.WithValue(ctx, contextKeyLog, l) return ctx } func getLogger(ctx context.Context) Logger { l, ok := ctx.Value(contextKeyLog).(Logger) if !ok { l = logger.NewNullLogger() } return l }