fixed-buffer 1.0.2

Fixed-size buffers for network protocol parsers
Documentation 
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use fixed_buffer::escape_ascii;

#[test]
fn test_escape_ascii() {
    use std::convert::TryFrom;
    assert_eq!("", escape_ascii(b""));
    assert_eq!("abc", escape_ascii(b"abc"));
    assert_eq!("\\r\\n", escape_ascii(b"\r\n"));
    assert_eq!(
        "\\xe2\\x82\\xac",
        escape_ascii(/* Euro sign */ "\u{20AC}".as_bytes())
    );
    assert_eq!("\\x01", escape_ascii(b"\x01"));
    assert_eq!(
        "\\x00\\x01\\x02\\x03\\x04\\x05\\x06\\x07\\x08\\t\\n\\x0b\\x0c\\r\\x0e\\x0f\\x10\\x11\\x12\\x13\\x14\\x15\\x16\\x17\\x18\\x19\\x1a\\x1b\\x1c\\x1d\\x1e\\x1f !\\\"#$%&\\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\\\]^_`abcdefghijklmnopqrstuvwxyz{|}~\\x7f\\x80\\x81\\x82\\x83\\x84\\x85\\x86\\x87\\x88\\x89\\x8a\\x8b\\x8c\\x8d\\x8e\\x8f\\x90\\x91\\x92\\x93\\x94\\x95\\x96\\x97\\x98\\x99\\x9a\\x9b\\x9c\\x9d\\x9e\\x9f\\xa0\\xa1\\xa2\\xa3\\xa4\\xa5\\xa6\\xa7\\xa8\\xa9\\xaa\\xab\\xac\\xad\\xae\\xaf\\xb0\\xb1\\xb2\\xb3\\xb4\\xb5\\xb6\\xb7\\xb8\\xb9\\xba\\xbb\\xbc\\xbd\\xbe\\xbf\\xc0\\xc1\\xc2\\xc3\\xc4\\xc5\\xc6\\xc7\\xc8\\xc9\\xca\\xcb\\xcc\\xcd\\xce\\xcf\\xd0\\xd1\\xd2\\xd3\\xd4\\xd5\\xd6\\xd7\\xd8\\xd9\\xda\\xdb\\xdc\\xdd\\xde\\xdf\\xe0\\xe1\\xe2\\xe3\\xe4\\xe5\\xe6\\xe7\\xe8\\xe9\\xea\\xeb\\xec\\xed\\xee\\xef\\xf0\\xf1\\xf2\\xf3\\xf4\\xf5\\xf6\\xf7\\xf8\\xf9\\xfa\\xfb\\xfc\\xfd\\xfe\\xff",
        escape_ascii(
            std::iter::repeat_n((), 256)
                .enumerate()
                .map(|(n, ())| u8::try_from(n).unwrap_or(u8::MAX))
                .collect::<Vec<u8>>()
                .as_slice(),
        ),
    );
}