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bytes 1.8.0

Types and traits for working with bytes
Documentation 
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#![warn(rust_2018_idioms)]

use bytes::{buf::IntoIter, Bytes};

#[test]
fn iter_len() {
    let buf = Bytes::from_static(b"hello world");
    let iter = IntoIter::new(buf);

    assert_eq!(iter.size_hint(), (11, Some(11)));
    assert_eq!(iter.len(), 11);
}

#[test]
fn empty_iter_len() {
    let buf = Bytes::new();
    let iter = IntoIter::new(buf);

    assert_eq!(iter.size_hint(), (0, Some(0)));
    assert_eq!(iter.len(), 0);
}