Function core::iter::empty1.2.0 (const: 1.32.0)[][src]

pub const fn empty<T>() -> Empty<T>

Notable traits for Empty<T>

impl<T> Iterator for Empty<T> type Item = T;

Creates an iterator that yields nothing.

Examples

Basic usage:

use std::iter;

// this could have been an iterator over i32, but alas, it's just not.
let mut nope = iter::empty::<i32>();

assert_eq!(None, nope.next());
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