Trait DecrementRef 

pub trait DecrementRef {
    type Output;

    // Required method
    fn dec_ref(&self) -> Self::Output;
}

DecrementRef is a trait describing the ability to decrement a value by reference.

Required Associated Types

type Output

Required Methods

fn dec_ref(&self) -> Self::Output

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl<S> DecrementRef for S

where S: One, for<'a> &'a S: Sub<S, Output = S>,

type Output = S