contained_core/traits/
wrapper.rs

1/*
2    Appellation: wrapper <module>
3    Created At: 2026.01.20:14:40:06
4    Contrib: @FL03
5*/
6
7/// The [`Wrapper`] trait established a higher-kinded interface for single-value containers.
8pub trait Wrapper<T> {
9    type Cont<U>: ?Sized;
10
11    /// returns a reference to the inner value
12    fn get(&self) -> &T;
13    /// returns a view of the container containing an immutable reference to the inner value
14    fn view(&self) -> Self::Cont<&T>;
15}
16/// The [`WrapperMut`] trait extends the [`Wrapper`] trait to provide mutable access to the
17/// inner value.
18pub trait WrapperMut<T>: Wrapper<T> {
19    /// returns a mutable reference to the inner value
20    fn get_mut(&mut self) -> &mut T;
21    /// returns a view of the container containing a mutable reference to the inner value
22    fn view_mut(&mut self) -> Self::Cont<&mut T>;
23}
24
25impl<T> Wrapper<T> for T {
26    type Cont<U> = U;
27
28    fn get(&self) -> &T {
29        self
30    }
31
32    fn view(&self) -> Self::Cont<&T> {
33        self
34    }
35}
contained_core/traits/wrapper.rs

contained_core/traits/
wrapper.rs
