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554 B
554 B
generics
Instructions
Write a function called identity which calculates the identity of a value (receives any data type and returns the same value).
Expected Function (signature to be completed)
pub fn identity(v: _) -> _ {
}
Usage
Here is a program to test your function.
use generics::*;
fn main() {
println!("{}", identity("Hello, world!"));
println!("{}", identity(3));
}
And its output:
student@ubuntu:~/generics/test$ cargo run
Hello, world!
3
student@ubuntu:~/generics/test$