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| Language | Swift |
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| Owner | w3xue |
| Created | 3 years ago |
| Modified | 3 years ago |
| Visibility | Public |
// 使用字符串字面量创建空字符串
var stringA = ""
if stringA.isEmpty {
print( "stringA 是空的" )
} else {
print( "stringA 不是空的" )
}
// 实例化 String 类来创建空字符串
let stringB = String()
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