进步 用于Crystal的简单且可自定义的进度条。 安装 将依赖项添加到您的shard.yml : dependencies : progress : github : kandayo/progress 运行分shards install 用法 require " progress " # This is the default configuration; all arguments are optional. progress = Progress .new( width: 100 , total: 100 , step: 0 , left_border_char: " [ " , filled_char: " = " , empty_char: " " , right_border_char: " ] " , label: " Neu