我希望能够传递garrett或allegany,并调用其中一个值,但我使用的点表示法给我的mdCounties.type没有一个名为County的成员。但我确实创建了一个实例(garrett和allegany)??struct mdCounties { var countyTransfer: Double = 0
let garrett
/Development/wp-playground/wp-content/themes/twentyseventeen/header.php:16) in /Users/garrett/Developmentsession_start(): Cannot send session cache limiter - headers already sent (output started at /Users/garrett/Developme