Что думаешь? Оцени!
Crystal inherits the somewhat complicated block semantics from Ruby. This is exposed with the Proc type and the yield keyword. The simple example from the documentation:
Южная Корея начала переговоры с США о перемещении вооружений из-за Ирана08:42。电影是该领域的重要参考
The Daily Show's Desi Lydic also watched the U.S. president's one hour and 47-minute speech so you don't have to, unpacking the address on Wednesday night.，详情可参考体育直播
产业向“绿”，产品向“新”，中国制造正在发生绿色“蝶变”。
If you want to use Foo because it adds features you like, or you trust its publisher to choose defaults more than upstream - those are completely valid reasons to use it. But if the reason is "Telemetry is just a way for Firefox to spy on me", hopefully I've dented that perception.，这一点在im钱包官方下载中也有详细论述