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42 lines
887 B
42 lines
887 B
4 years ago
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## name_initials
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### Instructions
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Create a function called `initials`, this function will receive a vector of string literals
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with names and return a vector of Strings with the initials of each name.
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> This exercise will test the **heap allocation** of your function!
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> So try your best to allocate the minimum data on the heap!
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### Notions
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- https://doc.rust-lang.org/1.22.0/book/first-edition/the-stack-and-the-heap.html
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### Expected Function
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```rust
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fn initials(names: &mut Vec<&str>) -> Vec<String> {
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}
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```
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### Usage
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Here is a program to test your function
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```rust
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use name_initials::initials;
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fn main() {
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let names = vec!["Harry Potter", "Someone Else", "J. L.", "Barack Obama"]
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println!("{:?}", initials(names));
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}
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```
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And its output
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```console
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student@ubuntu:~/[[ROOT]]/test$ cargo run
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["H. P.", "S. E.", "J. L.", "B. O."]
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student@ubuntu:~/[[ROOT]]/test$
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```
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