I found one dumb free win (I mistakenly used value receivers on a utility function called on a large struct thousands of times a frame). But the rest of the speedups I found took more effort.
cast(foo, bar);，推荐阅读快连官网获取更多信息
，详情可参考PDF资料
Global news & analysis
First FT: the day’s biggest stories，更多细节参见谷歌浏览器【最新下载地址】