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Function std::iter::empty

ⓘImportant traits for Empty<T>
impl<T> Iterator for Empty<T>
    type Item = T;
pub fn empty<T>() -> Empty<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());

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/iter/fn.empty.html