02 SwiftTour中的循环控制的小问题

[javenisme]

var firstForLoop = 0
for i in 0..3 {
firstForLoop += i
}
firstForLoop

此处 '..'操作符被提示，“Use of unresolved identifier '..'”

[CocoaChina-editors]

此仓库中的《The Swift Programming Language》一书不建议朋友再参考，建议到 https://github.com/numbbbbb/the-swift-programming-language-in-chinese来学习。