Published on: 2025-07-12 02:58:27
I noticed that handling the None variant of Option without falling back on unwrap() is a common papercut in Rust. More specifically, the problem arises when you want to return early from a function that returns a Result if you encounter None . It has been discussed a million times already, but, surprisingly, not even the Rust book mentions my favorite approach to handling that, and many forum posts are outdated. With a bit of practice, robust handling of None can become as easy as unwrap() , b
Keywords: error get_user let result user
Find related items on AmazonPublished on: 2025-07-12 07:58:27
I noticed that handling the None variant of Option without falling back on unwrap() is a common papercut in Rust. More specifically, the problem arises when you want to return early from a function that returns a Result if you encounter None . It has been discussed a million times already, but, surprisingly, not even the Rust book mentions my favorite approach to handling that, and many forum posts are outdated. With a bit of practice, robust handling of None can become as easy as unwrap() , b
Keywords: error get_user let result user
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