From 8d2e2753a2445e7f69b154bb9363e5a5807c2c6e Mon Sep 17 00:00:00 2001
From: Kevin Wan <wanjunfeng@gmail.com>
Date: Tue, 29 Dec 2020 15:02:36 +0800
Subject: [PATCH] simplify http.Flusher implementation (#326)

* simplify code with http.Flusher type conversion

* simplify code with http.Flusher type conversion, better version