Trait ItemCost 

pub trait ItemCost<I> {
    // Required method
    fn cost_of(&self, item: &I) -> u64;
}

Available on crate feature std only.

Prices the items sent through a PacedSink.

The default coster () uses the item’s own DatagramCost; CostFn uses a closure instead.

Required Methods

fn cost_of(&self, item: &I) -> u64

The cost of the given item, in rate units.

Dyn Compatibility

This trait is dyn compatible.

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

Implementations on Foreign Types

impl<I> ItemCost<I> for ()

where I: DatagramCost,

fn cost_of(&self, item: &I) -> u64

Implementors

impl<I, F> ItemCost<I> for CostFn<F>

where F: Fn(&I) -> u64,