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Today I learnt about clippy::clone_on_ref_ptr, which complains about t.clone() on a Rc<Thing>. You write Rc::clone(t) instead, so it's obvious it's a cheap clone.
It's a nice approach, because it makes the expensive clones more obvious.
miniblog.
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One subtle behaviour of Claude that wasn't obvious to me: whilst each conversation is transient, permissions persist across conversations.
So if you've given permission to run e.g. 'cargo test' or even 'cargo run', you need to be sure that all future invocations are safe too.
You can see the current permissions with /permissions.
I'm not a fan of the mastodon web UI behaviour where moving down with cursor keys 'snaps' to the next toot.
Is it possible to disable this, so my cursor keys always move the page by a consistent visual amount?
I've poked in the settings and didn't see anything obvious.
There's a class of performance bugs that you can feel.
Today I inadvertently implemented "Schlemiel the Painter's algorithm", and it's obvious: performance was great at first, and then it gradually deteriorates.