11
Which is faster? (lemmings.world)
submitted 11 months ago* (last edited 11 months ago) by commander@lemmings.world to c/rust@lemmy.ml
let mut variable: Type;
loop {
    variable = value;
}

or

loop {
    let variable: Type = value;
}
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[-] TehPers@beehaw.org 2 points 11 months ago

Without context, there's no reason to compare the performance of these. The compiler is complex enough that what you do in the loop and after the loop matters with regards to optimizations.

Do you have more context? What's actually happening in the code?

this post was submitted on 08 Mar 2025
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