Function scale_info::prelude::iter::chain
source · pub fn chain<A, B>(
a: A,
b: B,
) -> Chain<<A as IntoIterator>::IntoIter, <B as IntoIterator>::IntoIter> ⓘ
🔬This is a nightly-only experimental API. (
iter_chain
)Expand description
Converts the arguments to iterators and links them together, in a chain.
See the documentation of Iterator::chain
for more.
§Examples
#![feature(iter_chain)]
use std::iter::chain;
let a = [1, 2, 3];
let b = [4, 5, 6];
let mut iter = chain(a, b);
assert_eq!(iter.next(), Some(1));
assert_eq!(iter.next(), Some(2));
assert_eq!(iter.next(), Some(3));
assert_eq!(iter.next(), Some(4));
assert_eq!(iter.next(), Some(5));
assert_eq!(iter.next(), Some(6));
assert_eq!(iter.next(), None);