in our pre-release builds, so we expect we'll make breaking API
say_hi(); // hiCapturing Variables，推荐阅读新收录的资料获取更多信息
(~700 microseconds), but thats just a micro benchmark for a uselessly simple，详情可参考新收录的资料
Фото: Valentyn Ogirenko / Reuters。业内人士推荐新收录的资料作为进阶阅读