For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.
My earliest prototype used ascii characters for snakes and fruit. This had a problem - since terminal characters are twice as tall as they are wide, vertical movement felt much faster than horizontal movement:
。服务器推荐是该领域的重要参考
（五）违反规定使用或者不及时返还被侵害人财物的；。同城约会是该领域的重要参考
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Фото: Евгений Биятов / РИА Новости