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A clearer description of the original problem #2188

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jbethune wants to merge 2 commits into from
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A clearer description of the original problem #2188

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a351636
A clearer description of the original problem
Jan 1, 2025
22d13d9
Let the excercise fail to compile
Jan 2, 2025
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12 changes: 8 additions & 4 deletions exercises/05_vecs/vecs1.rs
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Original file line number Diff line number Diff line change
@@ -1,9 +1,13 @@
fn array_and_vec() -> ([i32; 4], Vec<i32>) {
let a = [10, 20, 30, 40]; // Array
// You can define an array with the intitial values 10, 20, 30 and 40 like
// this:
let a = [10, 20, 30, 40]; // Array. Do not change!
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@foxfromworld foxfromworld May 12, 2026

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The original example already shows it’s just array initialization, so it works well. Still, it might be good to see the maintainer’s opinion.


// TODO: Create a vector called `v` which contains the exact same elements as in the array `a`.
// Use the vector macro.
// let v = ???;
// There is a similar way you can define a vector with initial values:
// let v = vec![10, 20, ???]; // Vector. Needs to be fixed
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@foxfromworld foxfromworld May 12, 2026

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Both to_vec() and Vec::from compile, but the author just wanted vec![10, 20, 30, 40]. So I think the original is fine — let’s see the maintainer’s opinion.


// TODO: Adjust the vector definition above so that `a` and `v` have the
// same contents.

(a, v)
}
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