pub trait InitParameters {
// Required method
fn weight(&self, input_size: usize, output_size: usize) -> Array2<f64>;
// Provided method
fn bias(&self, _input_size: usize, output_size: usize) -> Array2<f64> { ... }
}pub trait InitParameters {
// Required method
fn weight(&self, input_size: usize, output_size: usize) -> Array2<f64>;
// Provided method
fn bias(&self, _input_size: usize, output_size: usize) -> Array2<f64> { ... }
}