Struct NativeError 

pub struct NativeError { /* private fields */ }

An error function backed by a plain Rust function.

Implementations

impl NativeError

pub fn new(function: fn(&[usize]) -> (f64, f64)) -> Self

Wraps function.

Trait Implementations

impl Clone for NativeError

fn clone(&self) -> NativeError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NativeError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for NativeError

fn default() -> Self

Returns the “default value” for a type.

impl ErrorWrapper for NativeError

fn compute(&self, data: &[usize]) -> (f64, f64)

(error, prediction) of a leaf, given its class counts or its instance ids, depending on the search’s configuration.