What are the several methods for unwrapping an optional in Swift?
What are the several methods for unwrapping an optional in Swift?
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, swift, topic-specific, ios
参考答案摘要
The several methods for unwrapping an optional in Swift are as follows: Forced unwrapping: It consists in adding a ! after an Optional value, to automatically unwrap it, without having to check whethe...
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