There is a compile time error in the following code. Are you able to recognise it and explain why it occurs? What are some possible solutions?

There is a compile time error in the following code. Are you able to recognise it and explain why it occurs? What are some possible solutions?

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

struct Cat{ } func showCat(cat: Cat?) { guard let c = cat else { print("No presence of cat") } print(c) } The problem with the given code is that a guard's else block requires an escape path, which ca...

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