Trait Witness

pub trait Witness:
    Sized
    + Copy
    + Unpin {
    const TRY_WITNESS: Option<Self>;
}

Required Associated Constants

const TRY_WITNESS: Option<Self>

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 Witness for ()

const TRY_WITNESS: Option<Self> = _

Implementors

impl Witness for Absurdity

const TRY_WITNESS: Option<Self> = None