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@yu01

nil対応

More than 5 years have passed since last update.

nilの場合のを考慮した対応方法例

viewController.m
self.base_url = base_str ? [NSURL URLWithString:base_str] : nil;
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yu01
radineer
メディア運営をしています。

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Help us understand the problem. What is going on with this article?