41 lines
760 B
Rust

// generics2.rs
//
// This powerful wrapper provides the ability to store a positive integer value.
// Rewrite it using generics so that it supports wrapping ANY type.
//
// Execute `rustlings hint generics2` or use the `hint` watch subcommand for a
// hint.
<<<<<<< HEAD
struct Wrapper<T> {
value: T
}
=======
// I AM NOT DONE
struct Wrapper {
value: u32,
}
>>>>>>> 11d8aea96f2c744d970ed1ffb38785cf5b511e5e
impl<T> Wrapper<T> {
pub fn new(value: T) -> Self {
Wrapper { value }
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn store_u32_in_wrapper() {
assert_eq!(Wrapper::new(42).value, 42);
}
#[test]
fn store_str_in_wrapper() {
assert_eq!(Wrapper::new("Foo").value, "Foo");
}
}