Trait WalkControl

pub trait WalkControl {
    type Result;

    // Required method
    fn should_break(self) -> Option<Self::Result>;
}

A trait that guides whether SplayTree::walk should continue or break, and what the return value is.

Required Associated Types

type Result

The result type that is returned when we break.

Required Methods

fn should_break(self) -> Option<Self::Result>

If iteration should halt, return Some. If iteration should continue, return None.

Implementations on Foreign Types

impl WalkControl for ()

type Result = ()

fn should_break(self) -> Option<()>

impl<E> WalkControl for Result<(), E>

type Result = E

fn should_break(self) -> Option<E>

impl<T> WalkControl for Option<T>

type Result = T

fn should_break(self) -> Option<T>

Implementors