Trait HasPeekBehavior

pub trait HasPeekBehavior<E: Element>: QueueBehavior<E> {
    // Required method
    fn peek(&self) -> Result<Option<E>>;
}

Required Methods

fn peek(&self) -> Result<Option<E>>

Gets the head of the queue, but does not delete it. Returns None if the queue is empty.
キューの先頭を取得しますが、削除しません。キューが空の場合は None を返します。

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl<E: Element + 'static> HasPeekBehavior<E> for QueueVec<E>