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docs(borrow_me_the_reference): correct example code
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@ -13,6 +13,7 @@ Create the following functions:
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- `do_operations`: which borrows a Vector of string literals representing simple addition and subtraction equations. The function should replace the operation with the result.
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### Expected Functions
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```rust
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pub fn delete_and_backspace(s: &mut String) {
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}
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@ -30,7 +31,12 @@ use borrow_me_the_reference::{delete_and_backspace, do_operations};
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fn main() {
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let mut a = String::from("bpp--o+er+++sskroi-++lcw");
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let mut b: Vec<String> = vec!["2+2", "3+2", "10-3", "5+5"];
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let mut b: Vec<String> = vec![
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"2+2".to_string(),
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"3+2".to_string(),
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"10-3".to_string(),
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"5+5".to_string(),
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];
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delete_and_backspace(&mut a);
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do_operations(&mut b);
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