pub trait Layers: Debug + Send + 'static {
// Required methods
fn layer(&self, index: usize) -> Option<&dyn Layer>;
fn layer_mut(&mut self, index: usize) -> Option<&mut dyn Layer>;
}
pub trait Layers: Debug + Send + 'static {
// Required methods
fn layer(&self, index: usize) -> Option<&dyn Layer>;
fn layer_mut(&mut self, index: usize) -> Option<&mut dyn Layer>;
}