// 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.
structWrapper{value:u32,
}// TODO: Adapt the struct's implementation to be generic over the wrapped value.
implWrapper{fnnew(value:u32)->Self{
Wrapper { value }}}fnmain(){// You can optionally experiment here.
}#[cfg(test)]modtests{usesuper::*;#[test]fnstore_u32_in_wrapper(){assert_eq!(Wrapper::new(42).value,42);}#[test]fnstore_str_in_wrapper(){assert_eq!(Wrapper::new("Foo").value,"Foo");}}