rocket::mtls::oid::asn1_rs::nom::lib::std::iter

Function empty

1.2.0 (const: 1.32.0) · Source 
pub const fn empty<T>() -> Empty<T> ⓘ
Available on crate feature mtls only.
Expand description

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());