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Update Speaker Notes for slices.md (#208)

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It makes sense to add a speaker note about the question asked.
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Igor Petruk 2023-01-23 20:23:41 +00:00 committed by GitHub
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src/basic-syntax/slices.md
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@ -26,5 +26,9 @@ fn main() {
* `s` is a reference to a slice of `i32`s. Notice that the type of `s` no longer mentions the array length. This allows us to performing computations on slices of different sizes.
* Slices always borrow from another object. In this example, `a` has to remain 'alive' so we can take a slice from it.
* The question about modifying `a[3]` can spark an interesting discussion, but the answer is that for memory safety reasons
you cannot do it through `a` after you created a slice. But you can read the data from both `a` and `s` safely.
More details will be explained in the borrow checker section.
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