Write a function, slens, that borrows a Vector of Strings and returns a HashMap that maps each string to its length. fn slens(stuff: &Vec) -> HashMap { ... } fn main() { let stuff = vec![ String::from("A"), String::from("fine"), String::from("mess"), ]; println!("{:?}", slens(&stuff)); println!("{:?}", stuff); } /* Output: {"fine": 4, "mess": 4, "A": 1} ["A", "fine", "mess"] */
Write a function, slens, that borrows a Vector of Strings and returns a HashMap that maps each string to its length. fn slens(stuff: &Vec) -> HashMap { ... } fn main() { let stuff = vec![ String::from("A"), String::from("fine"), String::from("mess"), ]; println!("{:?}", slens(&stuff)); println!("{:?}", stuff); } /* Output: {"fine": 4, "mess": 4, "A": 1} ["A", "fine", "mess"] */
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
Related questions
Question
Write a function, slens, that borrows a
HashMap that maps each string to its length.
fn slens(stuff: &Vec<String>) -> HashMap<String, usize> {
...
}
fn main() {
let stuff = vec![
String::from("A"),
String::from("fine"),
String::from("mess"),
];
println!("{:?}", slens(&stuff));
println!("{:?}", stuff);
}
/* Output:
{"fine": 4, "mess": 4, "A": 1}
["A", "fine", "mess"]
*/
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