string - 如何在 Swift 2.0 中获取字符串的长度？

Question

到目前为止:

let string = "my example string"
if count(string) >= 3 { ... }

但是现在我得到一个错误:

count is unavailable: access the count property on the collection. Type String doesn't conform to protocol CollectionType

Answer 1

哦，很简单:

string.characters.count