String Swift 2.2循环字符串并获取字符&;指数
我试图通过一个字符串循环获取字符及其索引。听起来很容易。。但是我没有找到正确的语法来做这件事 以下是我所尝试的:String Swift 2.2循环字符串并获取字符&;指数,string,swift,foreach,swift2.2,String,Swift,Foreach,Swift2.2,我试图通过一个字符串循环获取字符及其索引。听起来很容易。。但是我没有找到正确的语法来做这件事 以下是我所尝试的: let str = "testString" for (index, char) in str.characters { print(index) print(char) } 或 Swift 4 let str = "Swift 4" for (index, element) in str.enumerated() { print(index) p
let str = "testString"
for (index, char) in str.characters {
print(index)
print(char)
}
或
Swift 4
let str = "Swift 4"
for (index, element) in str.enumerated() {
print(index)
print(element)
}
Swift 4
let str = "Swift 4"
for (index, element) in str.enumerated() {
print(index)
print(element)
}
非常感谢!我在文档//Swift 3.0中没有发现它现在是“enumerated()”而不是“enumerate()”非常感谢!我在文档//Swift 3.0中没有发现它现在是“enumerated()”而不是“enumerate()”
let str = "Swift 4"
for (index, element) in str.enumerated() {
print(index)
print(element)
}