我想用另一个元素替换数组中的特定元素,如下所示:
let replace = ["123","87","123","765","som","123","op","123"].map {$0 == "123" ? $0 = "replace" : $0}
但我不能这样做,因为编译器会抛出我的错误:
error: cannot assign to value: '$0' is immutable
那么,这可能会改变0美元变得可变吗？