this post was submitted on 23 Dec 2024
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Rust
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You only need to check half of the string, so I think a technically optimal solution would have some take_while and maybe char_indices in there...
That's exactly what I Hinted at in my post, though I would use take(input.size()/2). However I wouldn't be surprised if the compiler could short circuit it, but I haven't checked.
Oh yeah I can't read 😄
I would be extremely surprised if any compiler was smart enough to short circuit that.
I would be a little less surprised if checking the whole string was actually faster anyway though... but I would still bet against it.