Trait Container 

pub trait Container<T: ?Sized>: FragileContainer<T> + TryContainer<T> { }

An abstraction over some container which owns a T and can infallibly provide immutable references to it, or attempt to be consumed to return the inner T (if T is Sized).

None values

Note that into_inner is still permitted to return None, even though get_ref does not fail, and most implementors should make try_get_ref infallible as well. A container should clearly document when into_inner returns None.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<T: ?Sized> Container<T> for Box<T>

Available on crate features alloc only.

impl<T: ?Sized> Container<T> for Rc<T>

Available on crate features alloc only.

impl<T: ?Sized> Container<T> for Arc<T>

Available on crate features alloc only.

Implementors

impl<T: ?Sized> Container<T> for T