Trait Layerer 

pub trait Layerer<L>
where
    L: Layer,
{
    // Required method
    fn current(&self) -> Option<L>;
}

Layerer controls how items are iterated over a CellMaps layers.

Required Methods

fn current(&self) -> Option<L>

Returns the current layer.

Dyn Compatibility

This trait is dyn compatible.

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

Implementors

impl<L> Layerer<L> for Many<L>

where L: Layer,

impl<L> Layerer<L> for Map<L>

where L: Layer,

impl<L> Layerer<L> for Single<L>

where L: Layer,