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Little #rustlang tip. If you have deeply nested structures with many layers of options you can access them with `map` and `and_then` - but you can also access them inside a closure to allow you to use ? even if your main method doesn't return an option
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When you add a new field to your API and you have some pretty comprehensive regression tests
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I spent last weekend setting up a lil' self-contained solar cell on my balcony, along with a battery and a tiny LED strip. It's not much, and it's probably totally overprovisioned for what little light it generates, but goddamn it it doesn't make me happy every time I see those lights turn on
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🔥 Top post: Little #rustlang tip. If you have deeply nested structures with · 10 likes + reposts
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Little #rustlang tip. If you have deeply nested structures with many layers of options you can access them with `map` and `and_then` - but you can also access them inside a closure to allow you to use ? even if your main method doesn't return an option
I spent last weekend setting up a lil' self-contained solar cell on my balcony, along with a battery and a tiny LED strip. It's not much, and it's probably totally overprovisioned for what little light it generates, but goddamn it it doesn…
Let's play a fun game called "what happens if you use too much memory in a lambda" - well it times out without any sensible error message, and with just these logs
Github is so dramatic
When you add a new field to your API and you have some pretty comprehensive regression tests
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