mirror of
https://github.com/notohh/rustlings.git
synced 2024-12-23 11:48:09 -05:00
31 lines
663 B
Rust
31 lines
663 B
Rust
// This powerful wrapper provides the ability to store a positive integer value.
|
|
// TODO: Rewrite it using a generic so that it supports wrapping ANY type.
|
|
struct Wrapper {
|
|
value: u32,
|
|
}
|
|
|
|
// TODO: Adapt the struct's implementation to be generic over the wrapped value.
|
|
impl Wrapper {
|
|
fn new(value: u32) -> Self {
|
|
Wrapper { value }
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
// You can optionally experiment here.
|
|
}
|
|
|
|
#[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");
|
|
}
|
|
}
|